Śrīmad-Bhāgavatam · Text 2.10.22
Who is speaking and story frame
बोध्यमानस्य ऋषिभिरात्मनस्तज्जिघृक्षत: ।
कर्णौ च निरभिद्येतां दिश: श्रोत्रं गुणग्रह: ॥ २२ ॥
bodhyamānasya ṛṣibhir
ātmanas taj jighṛkṣataḥ
karṇau ca nirabhidyetāṁ
diśaḥ śrotraṁ guṇa-grahaḥ
By development of the desire of the great sages to know, the ears, the power of hearing, the controlling deity of hearing, and the objects of hearing became manifested. The great sages desired to hear about the Self.
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