Skandapurana 5.161.19

5.161.19

kṛte pratikṛtaṃ kuryāddhiṃsane pratihiṃsanam ..
na tatra jāyate doṣo yo duṣṭe duṣṭamācaret.. 19 ..

‘One should do retaliation for an act done, and counter-violence against violence;
no fault is incurred by him who behaves wickedly toward a wicked person.’ ”