Quote by Friedrich Nietzsche
In individuals, insanity is rare; but in groups, parties, nations and epochs, it is the rule.
Summary
This quote suggests that while insanity, defined as irrational or illogical behavior, is uncommon among individuals, it is prevalent and even expected in larger groups like political parties, nations, and specific periods of history. It implies that when people come together and form collectives, their actions and decisions are often influenced by irrationality or madness. It highlights the tendency for group dynamics and societal pressures to lead to irrational behavior and decisions that might not occur on an individual level.