It's a wise man who profits by his own experience, but it's a good deal wiser one who lets the rattlesnake bite the other fellow.

A learned fool is one who has read everything and simply remembered it.

The best time for you to hold your tongue is the time you feel you must say something or bust.

I have never known a person to live to be one hundred and be remarkable for anything else.

Poverty is the step-mother of genius.

Metaphysics is the science of proving what we don't understand.

There are lots of people who mistake their imagination for their memory.