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.

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

If atheism spread, it would become a religion as intolerable as the ancient ones.

Crowds are somewhat like the sphinx of ancient fable: It is necessary to arrive at a solution of the problems offered by their psychology or to resign ourselves to being devoured by them.

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

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.

One of the most constant characteristics of beliefs is their intolerance. The stronger the belief, the greater its intolerance. Men dominated by a certitude cannot tolerate those who do not accept it.