kṛṣṇera svayaṁ-bhagavattā--ihā haila sādhya
svayaṁ-bhagavānera kṛṣṇatva haila bādhya
kṛṣṇera—of Lord Kṛṣṇa; svayam-bhagavattā—the quality of being Himself the Supreme Personality of Godhead; ihā—this; haila—was; sādhya—to be established; svayam-bhagavānera—of the Supreme Personality of Godhead; kṛṣṇatva—the quality of being Lord Kṛṣṇa; haila—was; bādhya—obligatory
"This establishes that Śrī Kṛṣṇa is the original Personality of Godhead. The original Personality of Godhead is therefore necessarily Kṛṣṇa.
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