The Iliad by Homer Book 18 Page 14

Iris left him when she had so spoken. But Achilles dear to Jove arose, and Minerva flung her tasselled aegis round his strong shoulders; she crowned his head with a halo of golden cloud from which she kindled a glow of gleaming fire. As the smoke that goes up into heaven from some city that is being beleaguered on an island far out at sea — all day long do men sally from the city and fight their hardest, and at the going down of the sun the line of beacon-fires blazes forth, flaring high for those that dwell near them to behold, if so be that they may come with their ships and succour them — even so did the light flare from the head of Achilles, as he stood by the trench, going beyond the wall — but he did not join the Achaeans for he heeded the charge which his mother laid upon him.

There did he stand