This strange and haunting song seems simple on the surface but has hidden depths. Concluding one of Judaism’s most important evenings of the year with a children’s song tells us a lot about how important children are, especially on this night. The Jewish love of, and focus on, children means that we look forward to the future even more than we look back to the past. Just as we began the Seder with the questions of a child, so we end it with a nursery rhyme, reminding ourselves that what sustains a faith is not strength or power, but its ability to inspire successive generations of children to add their voices to their people’s song.