The beginning of a revolution is in reality the end of a belief.

A crowd is not merely impulsive and mobile. Like a savage, it is not prepared to admit that anything can come between its desire and the realisation of its desire.

Are the worst enemies of society those who attack it or those who do not even give themselves the trouble of defending it?

Science has promised us truth...It has never promised us either peace or happiness.

The images evoked by words being independent of their sense, they vary from age to age and from people to people, the formulas remaining identical. Certain transitory images are attached to certain words: the word is merely as it were the button of an electric bell that calls them up.

Crowds are influenced mainly by images produced by the judicious employment of words and formulas

In crowds it is stupidity and not mother wit that is accumulated.