Folly consists not in committing Folly, but in being incapable of concealing it. All men make mistakes, but the wise conceal the blunders they have made, while fools make them public. Reputation depends more on what is hidden than on what is seen. If you can’t be good, be careful.
Dreams will get you nowhere, a good kick in the pants will take you a long way.
Know or listen to those who know.
Do not commit yourself to anybody or anything, for that is to be a slave, a slave to every man Above all, keep yourself free of commitments and obligations – they are the device of another to get you into his power.
Friendship multiplies the good of life and divides the evil.