Our western science is a child of moral virtues; and it must now become the father of further moral virtues if its extraordinary material triumphs in our time are not to bring human history to an abrupt, unpleasant and discreditable end.

Immaturity means self-centeredness, inability to compromise, to rise above hurt feelings, to postpone immediate pleasures in favor of future benefits, or to do unpleasant chores when they need to be done.

Nothing fails like success when you rely on it too much.

As human beings, we are endowed with freedom of choice, and we cannot shuffle off our responsibility upon the shoulders of God or nature. We must shoulder it ourselves. It is our responsibility.

Civilization is a movement and not a condition, a voyage and not a harbor.

Man's true end is to glorify God and to enjoy Him for ever.

We have been God-like in our planned breeding of our domesticated plants and animals, but we have been rabbit-like in our unplanned breeding of ourselves.