Śrīmad-Bhāgavatam · Text 10.13.20
Who is speaking and story frame
स्वयमात्मात्मगोवत्सान् प्रतिवार्यात्मवत्सपै: ।
क्रीडन्नात्मविहारैश्च सर्वात्मा प्राविशद् व्रजम् ॥ २० ॥
svayam ātmātma-govatsān
prativāryātma-vatsapaiḥ
krīḍann ātma-vihāraiś ca
sarvātmā prāviśad vrajam
Now expanding Himself so as to appear as all the calves and cowherd boys, all of them as they were, and at the same time appear as their leader, Kṛṣṇa entered Vrajabhūmi, the land of His father, Nanda Mahārāja, just as He usually did while enjoying their company.
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