A single lie destroys a whole reputation of integrity.
Never have a companion that casts you in the shade.
A third ideal that has made its way in the modern world is reliance on reason, especially reason disciplined and enriched by modern science. An eternal basis of human intercommunication is reason.
Never do anything when you are in a temper, for you will do everything wrong.
Respect yourself if you would have others respect you.
A wise man gets more use from his enemies than a fool from his friends.
Let the first impulse pass, wait for the second.
Friendship multiplies the good of life and divides the evil.
When desire dies, fear is born.
Evil report carries further than any applause.