jñānakarmasanyāsayoga - Verse śloka 8
śloka 8
paritrāṇāya sādhūnāṃ vināśāya ca duṣkṛtām |
dharmasaṃsthāpanārthāya sambhavāmi yuge yuge ||4-8||
Translation
For the protection of the righteous, the destruction of the wicked, and the establishment of Dharma, I manifest Myself in every age.