Leviticus 19:16-18

Thou shalt not go up and down as a talebearer among thy people: neither shalt thou stand against the blood of thy neighbor: I am Jehovah. Thou shalt not hate thy brother in thy heart: thou shalt surely rebuke thy neighbor, and not bear sin because of him. Thou shalt not take vengeance, nor bear any grudge against the children of thy people; but thou shalt love thy neighbor as thyself: I am Jehovah.