What you do not want done to yourself, do not do to others.
The man who asks a question is a fool for a minute, the man who does not ask is a fool for life.
Women and people of low birth are very hard to deal with. If you are friendly to them, they get out of hand, and if you keep your distance, they resent it.
Ability will never catch up with the demand for it.
An angry person is always full of poison.
Base yourself in loyalty and trust. Don't be companion with those who are not your moral equal. When you make a mistake, don't hesitate to correct it.