A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

I'm a pessimist. But I'm a pessimist with a sense of responsibility.

A pessimist is a well-informed optimist.

Remember that a man, a true man, never hates. His rages and his bad moods never last beyond the present moment-like electric shocks.

Pessimism is a form of mental dipsomania; it disdains healthy nourishment, indulges in the strong drink of denunciation, and creates an artificial dejection which thirsts for a stronger draught.

Every man should ask himself each day whether he is not too readily accepting negative solutions.