The good life is one inspired by life and guided by knowledge.

The most savage controversies are those about matters as to which there is no good evidence either way.

We are all prone to the malady of the introvert who, with the manifold spectacle of the world spread out before him, turns away and gazes only upon the emptiness within. But let us not imagine there is anything grand about the introvert's unhappiness.

In the revolt against idealism, the ambiguities of the word ''experience'' have been perceived, with the result that realists have more and more avoided the word.

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.

The only thing that will redeem mankind is cooperation.

Our instinctive emotions are those that we have inherited from a much more dangerous world, and contain, therefore, a larger portion of fear than they should.

To be happy in this world, especially when youth is past, it is necessary to feel oneself not merely an isolated individual whose day will soon be over, but part of the stream of life slowing on from the first germ to the remote and unknown future.

The most valuable things in life are not measured in monetary terms. The really important things are not houses and lands, stocks and bonds, automobiles and real state, but friendships, trust, confidence, empathy, mercy, love and faith.

One of the signs of an approaching nervous breakdown is the belief that one's work is terribly important.