The Iliad 15.200

Then wind-footed swift Iris answered him: Is it thus in good sooth, O Earth-Enfolder, thou dark-haired god, that I am to bear to Zeus this message, unyielding and harsh, or wilt thou anywise turn thee; for the hearts of the good may be turned? Thou knowest how the Erinyes ever follow to aid the elder-born. 121.1