Leviticus

Speak unto Aaron, and to his sons, and unto all the children of Israel, and say unto them, Whatsoever he be of the house of Israel, or of the strangers in Israel, that will offer his oblation for all his vows, and for all his freewill offerings, which they will offer unto the Lord for a burnt offering;

Ye shall offer at your own will a male without blemish, of the beeves, of the sheep, or of the goats.

Having then gifts differing according to the grace that is given to us, whether prophecy, let us prophesy according to the proportion of faith;

Speak ye unto all the congregation of Israel, saying, In the tenth day of this month they shall take to them every man a lamb, according to the house of their fathers, a lamb for an house:

Which the Lord commanded Moses in mount Sinai, in the day that he commanded the children of Israel to offer their oblations unto the Lord, in the wilderness of Sinai.