As long as a word remains unspoken, you are its master; once you utter it, you are its slave.
My friend is he who will tell me my faults in private.
The first step in the acquisition of wisdom is silence, the second listening, the third memory, the fourth practice, the fifth teaching others.
A wise man's questions contain half the answer.
The test of good manners is to be patient with the bad ones.
Drink poison rather than worry.