It is only a man's own fundamental thoughts that have truth and life in them.

Restlessness is the hallmark of existence.

The animal lacks both anxiety and hope because its consciousness is restricted to what is clearly evident and thus to the present moment: the animal is the present incarnate.

We forfeit three-quarters of ourselves in order to be like other people.

The weakness of their reasoning faculty also explains why women show more sympathy for the unfortunate than men;... and why, on the contrary, they are inferior to men as regards justice, and less honourable and conscientious.

Every generation, no matter how paltry its character, thinks itself much wiser than the one immediately preceding it, let alone those that are more remote.

Opinion is like a pendulum and obeys the same law.