God is not a cosmic bellboy for whom we can press a button to get things.

Granted the endless variations of moral customs, still the essential standards persist. As in a scientific laboratory, all else may change but the standards are unalterable- disinterested love of truth, fidelity to facts, accuracy in measurement, exactness of verification-so, in life as a whole, the towering ethical criteria remain unshaken. Falsehood is never better than truth, theft better than than honesty, treachery better than loyalty, cowardice better than courage.

Every failure can be considered as a tragedy or a chance to learn something. The latter is healthier

Life is like a library owned by the author. In it are a few books which he wrote himself, but most of them were written for him.

He is a poor son whose sonship does not make him desire to serve all men's mothers.

Don't simply retire from something; have something to retire to.

While each of us ... has depressed hours, none of us needs to be a depressed person.