"And if you offer a sacrifice of a peace offering to the LORD, you shall offer it of your own free will.
Leviticus 19:5
Surrounding context
19:4 "Do not turn to idols, nor make for yourselves molded gods: I am the LORD your God.
19:5 "And if you offer a sacrifice of a peace offering to the LORD, you shall offer it of your own free will.
19:6 It shall be eaten the same day you offer it, and on the next day. And if any remains until the third day, it shall be burned in the fire.