A man must not swallow more beliefs than he can digest.

The more rapidly a civilization progresses, the sooner it dies for another to rise in its place.

Even the most scientific investigator in science, the most thoroughgoing Positivist, cannot dispense with fiction; he must at least make use of categories, and they are already fictions, analogical fictions, or labels, which give us the same pleasure as children receive when they are told the "name" of a thing.

In philosophy, it is not the attainment of the goal that matters, it is the things that are met with by the way

When love is suppressed hate takes its place.

Dreams are real as long as they last. Can we say more of life?

Of woman as a real human being, with sexual needs and sexual responsibilities, morality has often known nothing.