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Tolerance to injustice is the best "gift" humans offered to Evil. It does help injustice prevails.
A healthy relationship is built on understanding, or accepting/embracing (without understanding) each others' differences, NOT on one-sided tolerance to mistreatment, or abusive behaviors.
If violence were not avoidable, I rather see guilty persons punished by violence, than seeing innocent people keeping suffering by never ending violence that escaped by "tolerance".