I recently read the book “The Madness of Crowds” by Douglas Murray. Here are my

  • main takeaways
  • practical lessons
  • summary
  • top 3 quotes

As always, I try to keep this short rather than trying to recount the whole book.

My rating: ★★★★★

Key finding

  1. Groupthink and mob mentality can lead to harmful and irrational behavior.
  2. Social media amplifies and spreads extremist ideas, leading to dangerous consequences.
  3. Identity politics contribute to a toxic and divisive political climate.

Main Takeaways

Group Think & Mob Mentality

One of the main learnings from the book is the dangers of groupthink and mob mentality. Murray argues that the desire to belong to a group or ideology can often lead people to abandon reason and critical thinking in favor of conformity and group loyalty. This can lead to harmful and irrational behavior, as people become more concerned with defending their own group’s beliefs than with finding the truth.

The Role of Social Media

A second key learning from the book is the role of social media in amplifying and spreading extremist ideas. Murray argues that the anonymity and lack of accountability on social media platforms have allowed fringe ideas to gain traction and mainstream acceptance far more quickly than they might have in the past. This has led to a proliferation of conspiracy theories, hate speech, and other forms of extremist content, which can have serious consequences for individuals and society as a whole.


Buy the book on Amazon or – if you prefer listening –

get the audiobook.

Identity Politics

My third takeaway from the book is the impact of identity politics on public discourse and political polarization. Murray argues that the focus on identity and group membership has led to a fragmentation of society, with people increasingly divided along the lines of race, gender, and other identities. This has led to a toxic and divisive political climate, with people on opposite sides of the political spectrum often unable to even engage in meaningful dialogue.

Practical Lessons

Some practical lessons that can be taken from The Madness of Crowds include

  1. The importance of maintaining critical thinking and skepticism, even when confronted with ideas that align with one’s own beliefs.
  2. To be aware of the ways in which social media and other technological platforms can shape and amplify our beliefs and behaviors.
  3. We shall strive for a more inclusive and respectful society where people are able to engage with each other across lines of difference and find common ground.


The Madness of Crowds by Douglas Murray explores the various ways in which society has become increasingly divided and polarized in recent years. Through a series of essays, Murray examines the ways in which social media, identity politics, and other cultural forces have contributed to the rise of extremism and intolerance.

Top 3 Quotes

A movement that does not allow for dissent is not a movement for freedom but for control.

The real danger of the internet is not that it allows anonymous cowards to hide behind screens. It is that it allows anonymous cowards to hide behind screens while they shout louder than everyone else.

We are living through an era of mass delusion. Some of these delusions are dangerous. Some are merely absurd. But all are corrosive to the society that falls for them.

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