Skandapurana 1.4.12.60

1.4.12.60

kṛtvā mānapariglaniṃ ye muṃcaṃti varā hi te..
yatāmānyatamaṃ matvā tvayā māturvacaḥ kṛtam.. 14.60 ..

those who release [an enemy] after crushing his pride are the truly noble ones. / Considering it the foremost duty, you carried out the word of your mother;