Exodus 34:20
But the firstling of an ass, thou mayst redeem with a lamb, and if thou wilt not redeem it, then shalt thou break its neck. Every firstborn of thy sons, shalt thou redeem, and he must not see my face, with empty hand.
Exodus 23:15
The festival of unleavened cakes, shalt thou keep, - seven days, shalt thou eat unleavened cakes, as I commanded thee at the appointed time of the month Abib; for, therein, camest thou forth out of Egypt, - and they shall not see my face, empty-handed.
Deuteronomy 16:16
Three times in the year, shall each one of thy males see the face of Yahweh thy God, in the place which he shall choose, at the festival of unleavened cakes and at the festival of weeks and at the festival of booths, - and none shall see the face of Yahweh empty-handed:
Exodus 13:15
And it came to pass when Pharaoh had shown himself too hardened to let us go, then did Yahweh slay every firstborn in the land of Egypt, from the firstborn of men even unto the firstborn of beasts. For this cause, am, I, sacrificing to Yahweh whatsoever is born first, of the males, and every firstborn of my sons, must I redeem.
Exodus 13:13
But every firstling of an ass, shalt thou redeem with a lamb or if thou wilt not redeem it, then thou shalt break its neck, - but every firstborn of men among thy sons, shalt thou redeem.
Numbers 18:15
every thing that is born first of all flesh that may be offered unto Yahweh among men and among beasts, shall be thine, - only thou shalt, redeem, the firstborn of men, and the firstborn of unclean beasts, shalt thou redeem.
Exodus 13:10
So shalt thou observe this statute in its appointed time, - from year to year.
Numbers 3:45-51
Take the Levites, instead of all the firstborn among the sons of Israel, and the cattle of the Levites, instead of their cattle, - so shall the Levites belong unto me, me Yahweh;
1 Samuel 9:7-8
Then said Saul to his young man: Behold, if we go, what shall we bring the man, for, the bread, hath failed from our sacks, and, present, there is none to bring to the man of God, - what is there with us?
2 Samuel 24:24
But the king said unto Araunah - Nay! but I will, buy, it of thee, for a price, and will not cause to ascend unto Yahweh my God, offerings that have cost me nothing. So David bought the threshing-floor, and the oxen, for fifty shekels of silver;