Bhagavatapurana 2.7.41

2.7.41

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nāntaṃ vidāmyaham amī munayo 'grajāste $ māyābalasya puruṣasya kuto 'varā ye &
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41. Neither do these sages, nor those first born Prajapatis, nor myself know completely the nature of the strength and force of the Maya of this Person; then what could others do? And Sesha foremost among the gods, though endowed with a thousand mouths has been singing His excellent qualities (from eternity) and has not as yet chanted all His glories to the end.