Caitanya-caritāmṛta 3.23
paritrāṇāya sādhūnāṁ vināśāya ca duṣkṛtām dharma-saṁsthāpanārthāya sambhavāmi yuge yuge
[paritraanaaya saadhoonaam vinaashaaya cha dushkritaam dharma-samsthaapanaarthaaya sambhavaami yuge yuge]
Blended reading (Sanskrit + English inline)
paritrāṇāya sādhūnāṁ vināśāya ca duṣkṛtām dharma-saṁsthāpanārthāya sambhavāmi yuge yuge
“ ‘To deliver the pious and to annihilate the miscreants, as well as to reestablish the principles of religion, I Myself appear, millennium after millennium.’
Purport
texts 22 and 23 were spoken by Lord Kṛṣṇa in the Bhagavad- gītā (4.7-8). texts 24 and 25, which follow, are also to be found in the Bhagavad-gītā (3.24, 21).
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io