Do not hate your brother in your heart
VaYikra 19:17
The trait of hatred leads to many transgressions such as slander, rejoicing in another’s misfortune, taking revenge and bearing grudges
Orchot Tzadikim: Shaar HaSinah
One might hate his fellow for causing him financial loss, for striking or shaming him, for giving him a bad name, or similar. However, one must not hate in silence. Rather, it is a Mitzvah to inform him and ask “Why did you do such and such to me?”
VaYikra 19:17
If a person sincerely asks for forgiveness, he should be forgiven. The one who forgives must not be hard-hearted
Bava Kama 92a
If the offender does not ask to be forgiven, he should not be hated but handled with love, so that in the end the injury will be righted
Orchot Tzadikim: Shaar HaSinah
An extremely bad form of hatred is baseless hatred, the type that destroyed the Second Temple
Yoma 9b
It is the way of the world for one tradesman to hate his competitor. This is very bad, because one must keep in mind that nobody can earn more than what God has decreed for him
Midrash Tanchuma, Tazria 9
Who is the greatest? One who can turn an enemy into a friend
Avot d’Rabbi Natan 23
One must hate every manner of falsehood. The more he hates the ways of falsehood, the more he will love Torah
Psalms 119:163
