One verse

Bhagavad Gita 4.8

4.8

परित्राणाय साधूनां विनाशाय च दुष्कृताम् | धर्मसंस्थापनार्थाय सम्भवामि युगे युगे ||४-८||

paritrāṇāya sādhūnāṃ vināśāya ca duṣkṛtām . dharmasaṃsthāpanārthāya sambhavāmi yuge yuge ||4-8||

paritrāṇāya
for the deliverance
sādhūnām
of the devotees
vināśāya
for the annihilation
ca
and
duṣkṛtām
of the miscreants
dharma
principles of religion
saṁsthāpana-arthāya
to reestablish
sambhavāmi
I do appear
yuge
millennium
yuge
after millennium

To deliver the pious and to annihilate the miscreants, as well as to reestablish the principles of religion, I Myself appear, millennium after millennium.