To abandon the struggle for private happiness, to expel all eagerness of temporary desire, to burn with passion for eternal things-this is emancipation, and this is the free man's worship... United with his fellow men by the strongest of all ties, the tie of a common doom, the free man finds that a new vision is with him always, shedding over every daily task the light of love.

Religions, which condemn the pleasures of sense, drive men to seek the pleasures of power. Throughout history power has been the vice of the ascetic.

Zeno was concerned with three problems... These are the problem of the infinitesimal, the infinite, and continuity.

Next to enjoying ourselves, the next greatest pleasure consists in preventing others from enjoying themselves, or, more generally, in the acquisition of power.

Either man will abolish war, or war will abolish man.

It is only through imagination that men become aware of what the world might be; without it, ‘progress’ would become mechanical and trivial.

Only mathematics and mathematical logic can say as little as the physicist means to say.