Aptitude found in the understanding and is often inherited. Genius coming from reason and imagination, rarely.

Whenever you are about to find fault with someone, ask yourself the following question: What fault of mine most nearly resembles the one I am about to criticize?

Whosoever does wrong, wrongs himself; whosoever does injustice, does it to himself, making himself evil.

Do what you will. Even if you tear yourself apart, most people will continue doing the same things.

The art of living is more like wrestling than dancing, in so far as it stands ready against the accidental and the unforeseen, and is not apt to fall.

A man should be upright, not kept upright.

Where a man can live, he can also live well.