I think its "So boy, don't turn back./Don't you set down on the steps/ 'Cause you finds it's kinder hard./ Don't you fall now-/ For I'se still goin', honey" (Lines 14-18)", because the rest of the lines seem to be the speaker telling her son about her experience in life. These lines however, are more directed at her son as a bit of warning/advice.
Because of Odysseus's clever thinking, Polyphemus shouts out that "Noman" has been trying to kill him. This leaves Polyphemus blind. This allows Odysseus and his men to escape because of Odysseus's different thinking skills.