Rati’s mouth I caused to make a space, and to gnaw the rock; over and under me were the Jötun’s ways: thus I my head did peril.
Rata munn létumk rúms um fá ok um grjót gnaga yfir ok undir stóðumk jötna vegir svá hætta ek höfði til
Havamal: 106, Dómi Oðins