Probably the most neglected friend you have is you. And yet every man, before he can be a true friend to the world, must first become a friend to himself.

The purpose of [a lawsuit] is to harass and discourage rather than to win. The law can be used very easily to harass, and enough harassment on somebody who is simply on the thin edge anyway, well knowing that he is not authorized, will generally be sufficient to cause his professional decease. If possible, of course, ruin him utterly.

To really know life you've got to be part of life. You must get down and look, you must get into the nooks and crannies of existence. You have to rub elbows with all kinds and types of men before you can finally establish what he is.

Living is having and following a purpose. That's all.

Communication is the universal solvent.

The way to happiness is a high-speed road to those who know where the edges are.

The third principle is that any philosophic knowledge is only valuable if it is true or if it works.