Related:

• An iron rod bends while it is hot. Greek Proverb
• When the iron is hot, strike. -- John Heywood (c. 1565) -- Proverbes, Part i, Chap. iii
• Red-hot iron, white-hot iron, cold-black iron; an iron taste, and iron smell, and a Babel of iron sounds.
  -- Charles Dickens, Bleak House, Datalink...
• You should hammer your iron when it is glowing hot. Publius Syru
• You should hammer your iron when it is glowing hot. -- Publius Syrus (42 BC) -- Maxim 262
• Cats polished while you wait. Hot wax costs extra.
• If you have to eat crow, eat it while it's hot. -- Alben W. Barkley
• Strike while your employer has a big contract. -- Ambrose Bierce, "The Devil's Dictionary
• So that there was neither hammer nor axe nor any tool of iron heard in the house, while it was in building.
  -- Old Testament -- 1 Kings vi, 7...