BG - 4.8

परित्राणाय साधूनां विनाशाय च दुष्कृताम्। धर्मसंस्थापनार्थाय संभवामि युगे युगे।।4.8।।

paritrāṇāya sādhūnāṁ vināśhāya cha duṣhkṛitām dharma-sansthāpanārthāya sambhavāmi yuge yuge

• paritrāṇāya - to protect
• sādhūnām - the righteous
• vināśhāya - to annihilate
• cha - and
• duṣhkṛitām - the wicked
• dharma - the eternal religion
• sansthāpana-arthāya - to reestablish
• sambhavāmi - I appear
• yuge yuge - age after age

Translation

For the protection of the good, for the destruction of the wicked, and for the establishment of righteousness, I am born in every age.

Commentary