The Odyssey 7.78–92

She came to Marathon and broad-wayed Athens, and entered the well-built house of Erectheus; but Odysseus went to the glorious palace of Alcinous. There he stood, and his heart pondered much before he reached the threshold of bronze; for there was a gleam as of sun or moon over the high-roofed house of great-hearted Alcinous. Of bronze were the walls that stretched this way and that from the threshold to the innermost chamber, and around was a cornice of cyanus.2 Golden were the doors that shut in the well-built house, and doorposts of silver were set in a threshold of bronze. Of silver was the lintel above, and of gold the handle. On either side of the door there stood gold and silver dogs, which Hephaestus had fashioned with cunning skill to guard the palace of great-hearted Alcinous; immortal were they and ageless all their days.3