Related:

• The wise learn more from the fools than the fools learn from the wise.
• Wise men learn more from fools than fools from the wise. CATO
• Fools are certain, but wise men hesitate.
• Fools wander, Wise men travel.
• Cato used to assert that wise men profited more by fools than fools by wise me
  for that wise men avoided the faults of fools, but that fools would not imitate the good examples of wise men....
• Fools make feasts and wise men eat them. -- Poor Richard
• Wise men don't need advice. Fools don't take it. -- Ben Frankli
• Wise men make proverbs, but fools repeat them. -- Samuel Palme
• Ceremony is the invention of wise men to keep fools at a distance. Richard Seele