Every man is a creature of the age in which he lives and few are able to raise themselves above the ideas of the time.

A gente acha que é menos infeliz quando não é infeliz sozinho; mas, segundo Zoroastro, não é por maldade, é por necessidade. A alegria de um homem feliz seria um insulto, mas dois infelizes são como dois arbustos frágeis que, apoiando-se um no outro, se fortalecem contra a tempestade.

When he who hears does not know what he who speaks means, and when he who speaks does not know what he himself means, that is philosophy

The moment you stop trying to become a better person, is the moment you start to become worse than what you already are.

The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

And he recalled the ancient adage: Who must do the harsh things? He who can.