Related:

• Those who in quarrels interpose, must often wipe a bloody nose.
• Those who in quarrels interpose Must often wipe a bloody nose.
  -- John Gay (1688-1732) -- Fables, Part i, The Mastiff...
• Put your nose to the grindstone and you're a bloody fool.
• First wipe your nose and check your flies. -- Alec Guinne
• If you can't take a little bloody nose, maybe you had better go back home and crawl under your bed.
  -- Q to Picard, "Q-Who?", stardate 42761.3...
• A bad workman quarrels with the man who calls him that. -- Ambrose Bierce
• They must often change, who would be constant in happiness or wisdom. -- Confuciu
• Hulk Hogan's Conversational Manual - An absolute must, for those who grunt.