The Iliad by Homer Book 7 Page 17

this he struck the shield of Ajax on the boss that was in its middle, so that the bronze rang again. But Ajax in turn caught up a far larger stone, swung it aloft, and hurled it with prodigious force. This millstone of a rock broke Hector’s shield inwards and threw him down on his back with the shield crushing him under it, but Apollo raised him at once. Thereon they would have hacked at one another in close combat with their swords, had not heralds, messengers of gods and men, come forward, one from the Trojans and the other from the Achaeans — Talthybius and Idaeus both of them honourable men; these parted them with their staves, and the good herald Idaeus said, “My sons, fight no longer, you are both of you valiant, and both are dear to Jove; we know this; but night is now falling, and the behests of night may not be well gainsaid.”