Leviticus 17:11

For the life of the flesh is in the blood, and I have given it to you upon the altar to make atonement for your souls; for it is the blood that makes atonement for the soul.'

Surrounding context

17:10 "And whatever man of the house of Israel, or of the strangers who dwell among you, who eats any blood, I will set My face against that person who eats blood, and will cut him off from among his people.

17:11 For the life of the flesh is in the blood, and I have given it to you upon the altar to make atonement for your souls; for it is the blood that makes atonement for the soul.'

17:12 Therefore I said to the children of Israel, "No one among you shall eat blood, nor shall any stranger who dwells among you eat blood.'

Translation and sources