The easiest thing for our friends to discover in us, and the hardest thing for us to discover in ourselves, is that we are growing old.

Error will slip through a crack, while truth will stick in a doorway.

True wisdom is plenty of experience, observation, and reflection. False wisdom is plenty of ignorance, arrogance, and impudence.

Be kind to your mother-in-law, but pay for her board at some good hotel.

Consider the postage stamp: its usefulness consists in the ability to stick to one thing till it gets there.

It ain't what a man don't know that makes him a fool, but what he does know that ain't so.

I never had a man come to me for advice yet, but what I soon discovered that he thought more of his own opinion than he did of mine.