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• To arrive at perfection, a man should have very sincere friends or inveterate enemie
  because he would be made sensible of his good or ill conduct, either by the censures of the one, or the admonitions of the other....
• Take no friends and leave no enemies.
• When asked what he would take to let a man give him a blow on the head, he said, "A helmet.
  -- Diogenes Laertius (c. 200 AD) -- Diogenes, vi...
• I count him braver who conquers his desires than him who conquers his enemie
  for the hardest victort is the victory over self. Aristotle...
• Coward: A man in whom the instinct of self-preservation acts normally. -- Sultana Zoraya
• Maybe his friends can take up a collection to buy him a clue.
• I knew that before you were born." Let him who would instruct a wiser man consider this as said to himself.
  -- Phaedrus (c. 8 A.D.) -- Book v, Fable 9, 4...
• The question was once put to him, how we ought to behave to our friend
  and the answer he gave was, "As we should wish our friends to behave to us....
• I always choose my friends for their good looks and my enemies for their good intellects.
  Man cannot be too careful in his choice of enemies....