Śrīmad-Bhāgavatam · Text 10.1.59
Who is speaking and story frame
दृष्ट्वा समत्वं तच्छौरे: सत्ये चैव व्यवस्थितिम् । कंसस्तुष्टमना राजन् प्रहसन्निदमब्रवीत् ॥ ५९ ॥
dṛṣṭvā samatvaṁ tac chaureḥ
satye caiva vyavasthitim
kaṁsas tuṣṭa-manā rājan
prahasann idam abravīt
My dear King Parīkṣit, when Kaṁsa saw that Vasudeva, being situated in truthfulness, was completely equipoised in giving him the child, he was very happy. Therefore, with a smiling face, he spoke as follows.
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