Old ideas are continually being slain by new facts. There is nothing stable in the conclusions of the mind, and it is impossible that there ever should be unless we hold that the universe is made to the measure of the human mind, an assumption for which nothing in the past gives any warrant.

Mind and spirit together make up that which separates us from the rest of the animal world, that which enables a man to know the truth and that which enables him to die for the truth.

The heterodoxy of one generation is the orthodoxy of the next.

The suffering of a soul that can suffer greatly -- that and only that, is tragedy.

To be able to be caught up into the world of thought-that is educated.

The Old Testament is the record of men's conviction that God speaks directly to men.

Pain is the most individualized thing on earth. It is true that it is the great common bond as well, but that realization only comes when it is over. To suffer is to be alone. To watch another suffer is to know the barrier that shuts each of us away by himself Only individuals can suffer.