כִּ֣י נֶ֣פֶשׁ הַבָּשָׂר֮ בַּדָּ֣ם הִוא֒ וַאֲנִ֞י נְתַתִּ֤יו לָכֶם֙ עַל־הַמִּזְבֵּ֔חַ לְכַפֵּ֖ר עַל־נַפְשֹׁתֵיכֶ֑ם כִּֽי־הַדָּ֥ם ה֖וּא בַּנֶּ֥פֶשׁ יְכַפֵּֽר׃
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 maketh atonement by reason of the life.
Targum Jonathan on Leviticus
Because the subsistence of the life of all flesh is in the blood, and I have given it to you for a decree, that you shall bring the blood of the victim unto the altar to make atonement for the blood of your lives, because the blood of the victim is to atone for the guilt of the soul.