Śrīmad-Bhāgavatam · Text 11.24.2
Who is speaking and story frame
आसीज्ज्ञानमथो अर्थ एकमेवाविकल्पितम् ।
यदा विवेकनिपुणा आदौ कृतयुगेऽयुगे ॥ २ ॥
āsīj jñānam atho artha
ekam evāvikalpitam
yadā viveka-nipuṇā
ādau kṛta-yuge ’yuge
Originally, during the Kṛta-yuga, when all men were very expert in spiritual discrimination, and also previous to that, during the period of annihilation, the seer existed alone, nondifferent from the seen object.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.