Leviticus 19:16-19

You shall not go about as a slanderer among your people, and you are not to act against the life of your neighbor; I am the LORD. ‘You shall not hate your fellow countryman in your heart; you may surely reprove your neighbor, but shall not incur sin because of him. You shall not take vengeance, nor bear any grudge against the sons of your people, but you shall love your neighbor as yourself; I am the LORD. ‘You are to keep My statutes. You shall not breed together two kinds of your cattle; you shall not sow your field with two kinds of seed, nor wear a garment upon you of two kinds of material mixed together.