וְהָיָ֞ה כִּֽי־יִשְׁאָלְךָ֥ בִנְךָ֛ מָחָ֖ר לֵאמֹ֣ר מַה־זֹּ֑את וְאָמַרְתָּ֣ אֵלָ֔יו בְּחֹ֣זֶק יָ֗ד הוֹצִיאָ֧נוּ יְהוָ֛ה מִמִּצְרַ֖יִם מִבֵּ֥ית עֲבָדִֽים׃
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;
Targum Jonathan on Exodus
And when in future thy son shall ask thee, saying, What is this ordinance of the firstborn? thou shalt tell him: By the power of a mighty hand the Lord delivered us from Mizraim, redeeming us from the house of the servitude of slaves.