Related:

• Trischmann's Paradox: A pipe gives a wise man time to think and a fool something to stick in his mouth.
• A pipe gives a wise man time to think and a fool something to stick in his mouth.
  -- Trischmann's Paradox...
• A pipe gives a wise man time to think and a fool something to stick in his mouth.
• The wise open their minds, but a fool opens his mouth.
• The fool doth think he is wise, but the wise man knows himself to be a fool.
  -- William Shakespeare (1564-1616), As You Like It -- Act v, Sc. 1...
• How dieth the wise man? As the fool.
• A wise man gets more use from his enemies than a fool from his friends. -- Balthasar Gracia
• A wise man rules by the stars, a Fool is ruled by them.