Exodus

³⁹And they baked unleavened cakes of the dough which they brought forth out of Egypt, for it was not leavened; because they were thrust out of Egypt, and could not tarry, neither had they prepared for themselves any victual. ⁴⁰Now the sojourning of the children of Israel, which they sojourned in Egypt, was four hundred and thirty years. ⁴¹And it came to pass at the end of four hundred and thirty years, even the selfsame day it came to pass, that all the hosts of the Lord went out from the land of Egypt. ⁴²It is a night to be much observed unto the Lord for bringing them out from the land of Egypt: this is that night of the Lord, to be much observed of all the children of Israel throughout their generations. ⁴³And the Lord said unto Moses and Aaron, This is the ordinance of the passover: there shall no alien eat thereof: ⁴⁴but every man's servant that is bought for money, when thou hast circumcised him, then shall he eat thereof. ⁴⁵A sojourner and an hired servant shall not eat thereof.