18. The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib; for in the month Abib thou didst come out from Egypt.
19. All that opens the womb is mine; and every firstborn among thy livestock, whether of cow or of sheep, that is male.
20. But the firstborn of an ass thou shalt ransom with a lamb, and if thou ransom him not, then shalt thou cut off his head. All the firstborn of thy sons thou shalt ransom, and none shall appear before me empty.