Man has, as it were, become a kind of prosthetic God.

One day, in retrospect, the years of struggle will strike you as the most beautiful.

O homem não tem nada melhor para fazer do que tentar estar em perfeito acordo consigo mesmo.

My love is something valuable to me which I ought not to throw away without reflection.

Love and work...work and love, that's all there is.

No, our science is no illusion. But an illusion it would be to suppose that what science cannot give us we can get elsewhere.