I need you because I love you.

By equality, one once understood equality in the very same sense in which the Bible speaks of equality: that we are all equal, inasmuch as we are created in the image of God.

The capacity to be puzzled is the premise of all creation, be it in art or in science.

The criterion of mental health is not one of individual adjustment to a given social order, but a universal one, valid for all men, of giving a satisfactory answer to the problem of human existence.

Man is born as a freak of nature, being within nature and yet transcending it. He has to find principles of action and decision-making which replace the principles of instincts.

While every human being has a capacity for love, its realization is one of the most difficult achievements.

Our main way of relating ourselves to others is like things relate themselves to things on the market. We want to exchange our own personality - or as one says sometimes, our "personality package" - for something.