He who has great strength should use it lightly.

Related:

• He gives twice who gives quickly. --
  Latin...
• He dies twice who perishes by his own hand.
  Latin...
• He fishes well who uses a golden hook.
  Latin...
• He who has not yet reached the opposite shore should not make fun of him who is drowning.
  Guinean...
• This is not a novel to be tossed aside lightly. It should be thrown with great force.
  Dorothy...
• A man is not where he lives, but where he loves. -
  Latin...
• He who searches for pearls should not sleep.
  Lybian...
• He who has health, has hope; and he who has hope has everything.
  Arabian...