Related:

• The measure of man is what he does with power. -- Pittacu
• If God is all-knowing, does he know how it feels to be ignorant?
• Your not knowing a man's purpose does not mean he is confused.
• What man does not understand, he fears; and what he fears, he tends to destroy.
• Uno nunca sabe lo que gana cuando pierde a una mujer.
  ... [A man does not know what he is gaining, when he is losing a woman.]...
• The experimenter who does not know what he is looking for will not understand what he finds.
  -- Claude Bernard...
• If there be any truer measure of a man than by what he does, it must be by what he gives.
  -- Robert South...
• Since a politician never believes what he says, he is surprised when others believe him.
  -- Charles DeGaulle...
• A fanatic is a man who does what he thinks the Lord would do if He knew the facts in the case.