Ovid, Metamorphoses 6.127-130
And there was Bacchus, when he was disguised as a large cluster of fictitious grapes; deluding by that wile the beautiful Erigone;–and Saturnus, as a steed, begetter of the dual-natured Chiron. And then Arachne, to complete her work, wove all around the web a patterned edge of interlacing flowers and ivy leaves. Pallas could not find a fleck or flaw–even Envy can not censure perfect art–enraged because Arachne had such skill she ripped the web, and ruined all the scenes that showed those wicked actions of the gods