Orthodoxy: That peculiar condition where the patient can neither eliminate an old idea nor absorb a new one.

It is a fine thing to have ability, but the ability to discover ability in others is the true test.

Be yourself and think for yourself, and while your conclusions may not be infallible they will be nearer right than the inclusions forced upon you by those who have a personal interest in keeping you in ignorance.

Do not take life too seriously. You will never get out of it alive.

The difference in men does not lie in the size of their hands, nor in the perfection of their bodies, but in this one sublime ability of concentration: to throw the weight in one blow, to live eternity in an hour.

If men will not act for themselves, what will they do when the benefit of their effort is for all?

The fool is not the man who merely does foolish things. The fool is the man who does not know enough to cash in on his foolishness.