In the future, when your son asks you, ‘What does this mean?’ you are to tell him, ‘With a mighty hand the LORD brought us out of Egypt, out of the house of slavery.
Jewish Publication Society of America Version (JPS1917) - Exodus 13:14 >And it shall be when thy son asketh thee in time to come, saying: What is this? that thou shalt say unto him: By strength of hand the LORD brought us out from Egypt, from the house of bondage;