Perhaps a man really dies when his brain stops, when he loses the power to take in a new idea.

However much you deny the truth, the truth goes on existing.

The great enemy of clear language is insincerity.

No doubt alcohol, tobacco, and so forth, are things that a saint must avoid; but sainthood is also a thing that human beings must avoid.

There is hardly such a thing as a war in which it makes no difference who wins. Nearly always one side stands more of less for progress, the other side more or less for reaction.

The point is that we are all capable of believing things which we know to be untrue, and then, when we are finally proved wrong, impudently twisting the facts so as to show that we were right. Intellectually, it is possible to carry on this process for an indefinite time: the only check on it is that sooner or later a false belief bumps up against solid reality, usually on a battlefield.

Man serves the interests of no creature except himself.