Related:

• Never kick a man, unless he's down.
• Never kick a man when he's down - he may get up.
• Never hit a man when he's down. Kick him. It's easier.
• Don't hit a man when he's down -- kick him; it's easier.
• Of course, kick a man when he's down. It's the best time.
  If you're not willing to kick him when he's down, then don't kick him when he's up either....
• Don't jump on a man unless he's down. -- Finley Peter Dunne
• Never jump on a man unless he is down, and when you do, make sure that you confuse him by supplying him with so many facts that he can not possibly understand what you are saying.