The Iliad 22.250–259

No longer, son of Peleus, will I flee from thee, as before I thrice fled around the great city of Priam, nor ever had the heart to abide thy onset; but now again my spirit biddeth me stand and face thee, whether I slay or be slain. But come hither, let us call the gods to witness, for they shall be the bestwitnesses and guardians of our covenant: I will do unto thee no foul despite, if Zeus grant me strength to outstay thee, and I take thy life; but when I have stripped from thee thy glorious armour, Achilles, I will give thy dead body back to the Achaeans; and so too do thou. witnesses and guardians of our covenant: I will do unto thee no foul despite, if Zeus grant me strength to outstay thee, and I take thy life; but when I have stripped from thee thy glorious armour, Achilles, I will give thy dead body back to the Achaeans; and so too do thou.