In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule. — Friedrich Nietzsche

In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule.

Author: Friedrich Nietzsche

Insight: We've all noticed it: a person you respect says something completely reasonable one-on-one, then joins a meeting and suddenly defends the opposite view. Or you find yourself nodding along to something in a crowd that you'd never believe alone. Nietzsche's observation cuts right at this gap between how we think individually and how we behave collectively. The strange part is that group insanity doesn't require anyone to be actually insane. It emerges from perfectly normal human instincts—wanting to belong, trusting the people around us, not wanting to be the one person asking uncomfortable questions. A group can develop its own logic, its own unquestioned assumptions, that no individual member would dream up alone. History is full of intelligent people doing bewildering things because the current was too strong to swim against. What makes this relevant now is that we're more connected to groups than ever—work teams, online communities, political tribes, algorithmic echo chambers. We're rarely truly alone anymore, which means we're living in Nietzsche's world more intensely than ever. The antidote isn't suspicion or cynicism. It's just recognizing when the crowd is thinking for you, and occasionally asking: would I actually believe this if I were standing by myself?

Source: Beyond Good and Evil, Part 4, Aphorism 156