Here is an age old answer for you:
Matthew 26:52
"Live by the sword, die by the sword" is a proverb meaning that if you use violence or aggression to achieve your goals, you can expect to face similar violence and aggression in return. This saying warns about the destructive consequences of aggression and implies a cycle of poetic justice, where the methods used to succeed can also lead to one's downfall. The phrase originates from the New Testament, where Jesus tells Peter to put away his sword, stating, "for all who draw the sword will die by the sword"
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