Whatever harm the evil may do, the harm done by the good is the most harmful harm.

A woman does not want the truth; what is truth to women? From the beginning, nothing has been more alien, repugnant, and hostile to woman than the truth - her great art is the lie, her highest concern is mere appearance and beauty.

If married couples did not live together, happy marriages would be more frequent.

One repays a teacher badly if one always remains nothing but a pupil.

Whoever, at any time, has undertaken to build a new heaven has found the strength for it in his own hell.

For the purpose of knowledge we must know how to make use of the inward current which draws us towards a thing, and also of the current which after a time draws us away from it.

The only excuse for God is that he doesn't exist.