A happy life must be to a great extent a quiet life, for it is only in an atmosphere of quiet that true joy dare live.

Broadly speaking, we are in the middle of a race between human skill as a means and human folly as an end.

People are said to believe in God, or to disbelieve in Adam and Eve. But in such cases what is believed or disbelieved is that there is an entity answering a certain description. This, which can be believed or disbelieved is quite different from the actual entity (if any) which does answer the description. Thus the matter of belief is, in all cases, different in kind from the matter of sensation or presentation, and error is in no way analogous to hallucination. A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.

Your writing is never as good as you hoped; but never as bad as you feared.

As soon as we abandon our own reason, and are content to rely upon authority, there is no end to our troubles.

To save the world requires faith and courage: faith in reason, and courage to proclaim what reason shows to be true.

Love, children, and work, are the great sources of fertilizing contact between the individual and the rest of the world.