To expect a personality to survive the disintegration of the brain is like expecting a cricket club to survive when all of its members are dead.

Much of the most important evils that mankind have to consider are those which they inflict upon each other through stupidity or malevolence or both.

There is little of the true philosophic spirit in Aquinas. He does not, like the Platonic Socrates, set out to follow wherever the argument may lead.

Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own.

Hatred of enemies is easier and more intense than love of friends. But from men who are more anxious to injure opponents than to benefit the world at large no great good is to be expected.

To a modern mind, it is difficult to feel enthusiastic about a virtuous life if nothing is going to be achieved by it.

The world that we must seek is a world in which the creative spirit is alive, in which life is an adventure full of joy and hope, based rather upon the impulse to construct than upon the desire to retain what we possess or to seize what is possessed by others.