Hear, See, And Be Silent.

One Should Cultivate Good Habits Of Memory, For It Is Capable Of Making Existence A Paradise Or An Inferno.

When A Man's Knowledge Is Deep, He Speaks Well Of An Enemy. Instead Of Seeking Revenge, He Extends Unexpected Generosity. He Turns Insult Into Humor, ... And Astonishes His Adversary Who Finds No Reason Not To Trust Him.

The Liar Suffers Twice: He Neither Believes Nor Is Believed.

Know How To Ask. There Is Nothing More Difficult For Some People, Nor For Others, Easier.

The Worthless Usually Live Long.