Authority is not a quality one person 'has,' in the sense that he has property or physical qualities. Authority refers to an interpersonal relation in which one person looks upon another as somebody superior to him.

I think [Karl] Marx, Pope John XXIII or Rosa Luxemburg [had achieved the mode of existence].But it would be useless to look at a list of illustrious names.

I feel worried, deeply worried, only about one thing - the possibility that we fall... that we cannot avoid an atomic war.

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.

It doesn't matter whether one uses God or doesn't. What matters is which experience a person has.

Education makes machines which act like men and produces men who act like machines.

Love is active penetration of the other person, in which my desire to know is stilled by union. In the act of fusion I know you, I know myself, I know everybody - and I "know" nothing.