The Iliad by Homer Book 1 Page 13

son of Atreus, or to restrain himself and check his anger. While he was thus in two minds, and was drawing his mighty sword from its scabbard, Minerva came down from heaven (for Juno had sent her in the love she bore to them both), and seized the son of Peleus by his yellow hair, visible to him alone, for of the others no man could see her. Achilles turned in amaze, and by the fire that flashed from her eyes at once knew that she was Minerva. “Why are you here,” said he, “daughter of aegis-bearing Jove? To see the pride of Agamemnon, son of Atreus? Let me tell you — and it shall surely be — he shall pay for this insolence with his life.”

And Minerva said, “I come from heaven, if you will hear me, to bid you stay your anger. Juno has sent me, who cares for both of you alike.