Not observation of a duty but liberty itself is the pledge that assures fidelity.

Love requires peace, love will dream; it cannot live upon the remnants of our time and our personality.

Nothing would more effectively further the development of education than for all flogging pedagogues to learn to educate with the head instead of with the hand.

The emancipation of women is practically the greatest egoistic movement of the nineteenth century, and the most intense affirmation of the right of the self that history has yet seen.

The belief that we some day shall be able to prevent war is to me one with the belief in the possibility of making humanity really human.

When one paints an ideal, one does not need to limit one's imagination.

Love is moral even without legal marriage, but marriage is immoral without love.