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# Lessons from Robert Cialdini
- URL: https://www.antoinebuteau.com/lessons-from-robert-cialdini/
- Published: 2025-09-08T12:10:21.000Z
- Updated: 2026-09-30T23:57:31.000Z
- Description: Robert Cialdini’s research identifies seven principles that guide behavior, often automatically and subconsciously. Understanding these “weapons of influence” serves two purposes: becoming a more effective persuader and developing stronger resistance to manipulation by others.
- Author: Antoine Buteau
- Tags: Profile, Communication, Sales, GTM & Marketing Profiles

Dr. Cialdini's research has identified seven key principles that guide human behavior, often in an automatic, subconscious way. [\[1\]](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com) Understanding these "weapons of influence" can help individuals become more effective persuaders and, conversely, more resistant to manipulation. [\[2\]](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com)[\[3\]](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com)

---

![Infographic for "Lessons from Robert Cialdini".](https://www.antoinebuteau.com/content/images/2026/07/lessons-from-robert-cialdini-optimized.webp)

### 1\. Reciprocity

The principle of reciprocity is based on the social norm that people feel obligated to give back to others what they have received first. [\[4\]](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com) This can be in the form of a gift, a favor, or a service.

#### Quotes and Learnings:

1. "The rule says that we should try to repay, in kind, what another person has provided us." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
2. **Learning:** If you want to foster a collaborative environment, be the first to offer help or a concession. People are more likely to cooperate with those who have done something for them. [\[1\]](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com)[\[6\]](https://esoftskills.com/lessons-from-robert-cialdini/?ref=antoinebuteau.com)
3. "The obligation to receive reduces our ability to choose whom we wish to be indebted to and puts that power in the hands of others." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
4. **Learning:** Even an unwanted favor can create a sense of obligation. This is why free samples and small gifts can be so effective in marketing and sales. [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)
5. "The truly gifted negotiator, then, is one whose initial position is exaggerated enough to allow for a series of concessions that will yield a desirable final offer from the opponent, yet is not so outlandish as to be seen as illegitimate from the start." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
6. **Learning:** The "rejection-then-retreat" technique involves making a larger request that is likely to be turned down, followed by a smaller, more reasonable request. The second request is often accepted because it is seen as a concession.

---

### 2\. Commitment and Consistency

People have a deep-seated desire to be consistent with what they have already said or done. [\[4\]](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com) Once we make a commitment, we are more likely to follow through with actions that align with it. [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)

#### Quotes and Learnings:

1. "Once we have made a choice or taken a stand, we will encounter personal and interpersonal pressures to behave consistently with that commitment." [\[11\]](https://archive.org/details/influencepsychol0000cial)
2. **Learning:** To encourage a certain behavior, get a small, initial commitment. This could be as simple as asking someone to write down a goal or publicly state their support for an idea. [\[12\]](https://web.archive.org/web/20240909015600/https://medium.com/@antoniomartina/6-lessons-from-influence-the-psychology-of-persuasion-by-robert-b-cialdini-20073246b8ba)[\[13\]](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
3. "Psychologists have long understood the power of the consistency principle to direct human action." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
4. **Learning:** Public commitments are particularly powerful. When someone's stance is made public, they are more likely to stick to it to maintain a consistent image. [\[13\]](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
5. "Our best evidence of what people truly feel and believe comes less from their words than from their deeds." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
6. **Learning:** Written commitments can be especially effective. The act of writing something down solidifies the commitment in the person's mind.

---

### 3\. Social Proof

When people are uncertain about a course of action, they look to the actions and behaviors of others to determine their own. [\[14\]](https://people-shift.com/articles/cialdinis-6-principles-of-persuasion/?ref=antoinebuteau.com) This is the "safety in numbers" principle. [\[4\]](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com)

#### Quotes and Learnings:

1. "Since 95 percent of the people are imitators and only 5 percent initiators, people are persuaded more by the actions of others than by any proof we can offer." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
2. **Learning:** Testimonials, case studies, and showing the popularity of a product or idea are powerful forms of social proof. [\[12\]](https://web.archive.org/web/20240909015600/https://medium.com/@antoniomartina/6-lessons-from-influence-the-psychology-of-persuasion-by-robert-b-cialdini-20073246b8ba)
3. "We view a behavior as more correct in a given situation to the degree that we see others performing it." [\[13\]](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
4. "First, we seem to assume that if a lot of people are doing the same thing, they must know something we don't." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
5. **Learning:** Social proof is most influential when the "others" are similar to the individual being persuaded. [\[3\]](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com)
6. "Without question, when people are uncertain, they are more likely to use others' actions to decide how they themselves should act." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)

---

### 4\. Liking

People are more easily persuaded by those they know and like. [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com) This principle highlights the importance of rapport and relationships in the art of influence.

#### Quotes and Learnings:

1. "We like people who are similar to us. This fact seems to hold true whether the similarity is in the area of opinions, personality traits, background, or life-style." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
2. **Learning:** To increase likability, find common ground and offer genuine compliments. [\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
3. "Research has shown that we automatically assign to good-looking individuals such favorable traits as talent, kindness, honesty, and intelligence." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
4. **Learning:** Physical attractiveness can create a "halo effect," where positive qualities are automatically attributed to someone. [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)
5. "There is a natural human tendency to dislike a person who brings us unpleasant information, even when that person did not cause the bad news. The simple association with it is enough to stimulate our dislike." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
6. **Learning:** Cooperation towards a common goal is a powerful way to build liking and a sense of camaraderie. [\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
7. "I can live for two months," confessed Mark Twain, "on a good compliment." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)

---

### 5\. Authority

Individuals are more likely to comply with requests made by figures of authority. [\[2\]](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com) This can be conveyed through titles, uniforms, or expertise.

#### Quotes and Learnings:

1. "People will tend to obey authority figures, even if they are asked to perform objectionable acts." [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)
2. **Learning:** To establish authority, it's important to signal your expertise and credibility before attempting to influence. This can be done by mentioning your experience, credentials, or knowledge in a particular area. [\[6\]](https://esoftskills.com/lessons-from-robert-cialdini/?ref=antoinebuteau.com)
3. **Learning:** Having a third party introduce you and your expertise can be a powerful way to establish authority without appearing boastful.
4. **Learning:** The appearance of authority, such as a uniform or a well-tailored suit, can be enough to trigger a compliance response. [\[13\]](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
5. "Be as precise as possible about your need for aid." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)

---

### 6\. Scarcity

The less available something is, the more desirable it becomes. [\[2\]](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com) The fear of missing out can be a powerful motivator.

#### Quotes and Learnings:

1. "The way to love anything is to realize that it might be lost." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
2. "The idea of potential loss plays a large role in human decision making. In fact, people seem to be more motivated by the thought of losing something than by the thought of gaining something of equal value." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
3. **Learning:** Highlighting limited-time offers, exclusive information, or a dwindling supply can increase the perceived value of an item or opportunity. [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)[\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
4. "When our freedom to have something is limited, the item becomes less available, and we experience an increased desire for it." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
5. "The joy is not in experiencing a scarce commodity but in possessing it." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
6. "Freedoms once granted will not be relinquished without a fight." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)

---

### 7\. Unity

This is the newest principle, which Cialdini introduced in his book "Pre-Suasion." It refers to a shared identity. The more we perceive someone as being "of us," the more likely we are to be influenced by them.

#### Quotes and Learnings:

1. **Learning:** The Unity principle is about shared identities. When we feel a sense of "we" with someone, their ability to influence us increases. [\[1\]](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com)
2. **Learning:** Emphasizing a common background, shared values, or being part of the same team or family can activate the Unity principle. [\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
3. **Learning:** Asking for advice rather than opinions can create a sense of partnership and shared purpose.
4. **Learning:** Using language that highlights a shared identity (e.g., "we" instead of "you and I") can be a subtle yet powerful way to build unity. [\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)

---

### General Learnings and Quotes on Persuasion

1. "A well-known principle of human behavior says that when we ask someone to do us a favor we will be more successful if we provide a reason. People simply like to have reasons for what they do." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
2. "Pre-suasion is the practice of getting people sympathetic to your message before they experience it." [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
3. "What we present first changes the way people experience what we present to them next." [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
4. "There is no expedient to which a man will not resort to avoid the real labor of thinking." [\[3\]](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com)[\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
5. **Learning:** Understanding these principles is not just about becoming a more effective persuader, but also about defending yourself against unethical influence attempts. [\[2\]](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com)
6. "Embarrassment is a villain to be crushed." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
7. "Often we don't realize that our attitude toward something has been influenced by the number of times we have been exposed to it in the past." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
8. "persons who go through a great deal of trouble or pain to attain something tend to value it more highly than persons who attain the same thing with a minimum of effort." [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)[\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
9. **Learning:** The most effective persuasion is ethical persuasion, which involves being honest and transparent. [\[4\]](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com)
10. "Optimal persuasion is achieved thru optimal pre-suasion; positioning people to agree with a message before knowing what's in it." [\[16\]](https://www.consultclarity.org/post/robert-cialdini-quotes?ref=antoinebuteau.com)

**Sources:**

- **Influence at Work:** [https://www.influenceatwork.com/7-principles-of-persuasion/](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com) [\[1\]](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com)
- **Binary Moon:** [https://www.binarymoon.co.uk/reading/influence/](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com) [\[2\]](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com)
- **OCEG:** [https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com) [\[15\]](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
- **PeopleShift:** [https://people-shift.com/articles/cialdinis-6-principles-of-persuasion/](https://people-shift.com/articles/cialdinis-6-principles-of-persuasion/?ref=antoinebuteau.com) [\[14\]](https://people-shift.com/articles/cialdinis-6-principles-of-persuasion/?ref=antoinebuteau.com)
- **Conceptually:** [https://conceptually.org/concepts/6-principles-of-influence/](https://conceptually.org/concepts/6-principles-of-influence/?ref=antoinebuteau.com) [\[8\]](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)
- **Goodreads (Author Quotes):** [https://www.goodreads.com/author/quotes/160932.Robert\_B\_Cialdini](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com) [\[9\]](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
- **QuoteFancy:** [https://quotefancy.com/robert-b-cialdini-quotes](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com) [\[5\]](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
- **A-Z Quotes:** [https://www.azquotes.com/author/31819-Robert\_Cialdini](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com) [\[7\]](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
- **Times Now:** [https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com) [\[4\]](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com)
- **Wayback Machine Archive:** [https://web.archive.org/web/20240909015600/antoniomartina-cialdini-lessons](https://web.archive.org/web/20240909015600/https://medium.com/@antoniomartina/6-lessons-from-influence-the-psychology-of-persuasion-by-robert-b-cialdini-20073246b8ba) [\[12\]](https://web.archive.org/web/20240909015600/https://medium.com/@antoniomartina/6-lessons-from-influence-the-psychology-of-persuasion-by-robert-b-cialdini-20073246b8ba)
- **Online Business School:** [https://esoftskills.com/lessons-from-robert-cialdini/](https://esoftskills.com/lessons-from-robert-cialdini/?ref=antoinebuteau.com) [\[6\]](https://esoftskills.com/lessons-from-robert-cialdini/?ref=antoinebuteau.com)
- **Farnam Street:** [https://fs.blog/intellectual-giants/robert-cialdini/](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com) [\[3\]](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com)
- **Internet Archive:** <https://archive.org/details/influencepsychol0000cial> [\[11\]](https://archive.org/details/influencepsychol0000cial)
- **Goodreads (Influence Quotes):** [https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com) [\[10\]](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
- **Toby Sinclair:** [https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com) [\[13\]](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
- **Clarity:** [https://www.consultclarity.org/post/robert-cialdini-quotes](https://www.consultclarity.org/post/robert-cialdini-quotes?ref=antoinebuteau.com) [\[16\]](https://www.consultclarity.org/post/robert-cialdini-quotes?ref=antoinebuteau.com)

---

Learn more:

1. [Dr. Robert Cialdini's Seven Principles of Persuasion | IAW - Influence at Work](https://www.influenceatwork.com/7-principles-of-persuasion/?ref=antoinebuteau.com)
2. [Key Lessons from Influence by Robert B. Cialdini - Binary Moon](https://www.binarymoon.co.uk/reading/influence/?ref=antoinebuteau.com)
3. [Who Is Robert Cialdini? Meet the Master of Influence and Persuasion - Farnam Street](https://fs.blog/intellectual-giants/robert-cialdini/?ref=antoinebuteau.com)
4. [10 Lessons to Learn From the Book 'Influence: The Psychology of Persuasion' by Robert Cialdini | Features - Times Now](https://www.timesnownews.com/lifestyle/books/features/10-lessons-to-learn-from-the-book-influence-the-psychology-of-persuasion-by-robert-cialdini-article-109943745?ref=antoinebuteau.com)
5. [Top 70 Robert B. Cialdini Quotes (2025 Update) - QuoteFancy](https://quotefancy.com/robert-b-cialdini-quotes?ref=antoinebuteau.com)
6. [Harnessing Influence: Lessons from Robert Cialdini - Online Business School](https://esoftskills.com/lessons-from-robert-cialdini/?ref=antoinebuteau.com)
7. [TOP 19 QUOTES BY ROBERT CIALDINI | A-Z Quotes](https://www.azquotes.com/author/31819-Robert%5FCialdini?ref=antoinebuteau.com)
8. [Cialdini's 6 Principles of Influence - Definition and examples - Conceptually](https://conceptually.org/concepts/6-principles-of-influence?ref=antoinebuteau.com)
9. [Quotes by Robert B. Cialdini (Author of Influence) - Goodreads](https://www.goodreads.com/author/quotes/160932.Robert%5FB%5FCialdini?ref=antoinebuteau.com)
10. [Influence Quotes by Robert B. Cialdini - Goodreads](https://www.goodreads.com/work/quotes/29303-influence-how-and-why-people-agree-to-things?ref=antoinebuteau.com)
11. [Influence: The Psychology of Persuasion (Text Edition) - Internet Archive](https://archive.org/details/influencepsychol0000cial)
12. [6 Lessons From “Influence: The Psychology of Persuasion” By Robert B. Cialdini](https://web.archive.org/web/20240909015600/https://medium.com/@antoniomartina/6-lessons-from-influence-the-psychology-of-persuasion-by-robert-b-cialdini-20073246b8ba)
13. [Book Summary: Influence by Robert Cialdini | The Big Ideas and Best Quotes - Toby Sinclair](https://www.tobysinclair.com/post/book-summary-influence-robert-cialdini?ref=antoinebuteau.com)
14. [Cialdini's 6 Principles of Persuasion: A Simple Summary - PeopleShift](https://people-shift.com/articles/cialdinis-6-principles-of-persuasion/?ref=antoinebuteau.com)
15. [Robert Cialdini's Principles of Persuasion - OCEG](https://www.oceg.org/projectriskleader/robert-cialdini-s-principles-of-persuasion/?ref=antoinebuteau.com)
16. [400 Best Robert Cialdini Quotes: Author of Influence (2023) - Clarity](https://www.consultclarity.org/post/robert-cialdini-quotes?ref=antoinebuteau.com)