Bhishma said By punishing the wicked, by winning over and maintaining the good, by sacrifices and gifts, kings become pure and cleansed.
भीष्म उवाच निग्रहेण च पापानां साधूनां संग्रहेण च। यज्ञैर्दानैश्च राजानो भवन्ति शुचयोऽमलाः॥