Moses
Deuteronomy 17:1BSB·traditional attribution

You shall not sacrifice to the LORD your God an ox or a sheep with any defect or serious flaw, for that is detestable to the LORD your God.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A law for preserving the honour of God's worship, by providing that no creature that had any blemish should be offered in sacrifice to him, Deu 17:1. This caveat we have often met with: Thou shalt not sacrifice that which has any blemish, which renders it unsightly, or any evil matter or thing (as the following word night better be rendered), any...

Commenting on Deuteronomy 17:1-7

John Gill Reformed Baptist @doctorgill

Thou shalt not sacrifice unto the Lord thy God any bullock or sheep wherein is blemish,.... No sacrifice of any sort, whether burnt offering, sin offering, or peace offering, was to have any blemish in it; typical of the unblemished and immaculate Lamb of God, who, being without sin, offered himself without spot to God, and so could take away the sins of others by...

Geneva Bible Notes Reformed @genevanotes

Thou shalt not sacrifice unto the LORD thy God [any] bullock, or sheep, wherein is blemish, [or] any evilfavouredness: for that [is] an abomination unto the LORD thy God. (a) You shall not serve God for selfish means as the hypocrites do.