Your secret is your prisoner; once you reveal it, you become its slave.
The test of good manners is to be patient with the bad ones.
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.
Jealousy is cruel as the grave: the coals thereof are coals of fire.
Riches bring anxiety; wisdom gives peace of mind.