Chandogya Upanishad 8.11.2

8.11.2

sa samitpāṇiḥ punar eyāya \
taṃ ha prajāpatir uvāca maghavan yac chāntahṛdayaḥ prāvrājīḥ kim icchan punar āgama iti \
sa hovāca nāha khalv ayaṃ bhagava evaṃ saṃpraty ātmānaṃ jānāty ayam aham asmīti \
no evemāni bhūtāni \
vināśam evāpīto bhavati \
nāham atra bhogyaṃ paśyāmīti \\811.2\

2. Fuel in hand, back again he came. Then Prajāpati said to him: ‘Desiring what, O Maghavan, have you come back again, since you went forth with tranquil heart?’

Then he [i. e. Indra] said: ‘Assuredly, this [self] does not exactly know himself with the thought “I am he,” nor indeed

the things here. He becomes one who has gone to destruction. I see nothing enjoyable in this.’