अत्स्यन्नं पश्यसि प्रियमत्त्यन्नं पश्यति प्रियं भवत्यस्य ब्रह्मवर्चसं कुले य एतमेवमात्मानं वैश्वानरमुपास्ते प्राणस्त्वेष आत्मन इति होवाच प्राणस्त उदक्रमिष्यद्यन्मां नागमिष्य इति ॥ ५.१४.२ ॥
In plain words
Thou eatest food and seest what is dear; and he eats food and sees what is dear, and the lustre of Brahman appears in his family, who worships this Self, Vaiśvānara, thus. But this is only the breath of the Self," he said. "Thy breath would have gone out, hadst thou not come to me."
The commentators
Chāndogyopaniṣadbhāṣyam· bhāṣya
अत्स्यन्नमित्यादि समानम् । प्राणस्त्वेष आत्मन इति ह उवाच । प्राणस्ते तव उदक्रमिष्यत् उत्क्रान्तोऽभविष्यत्, यन्मां नागमिष्य इति ॥
In plain words
The passage beginning with 'atsyannam' is explained similarly. 'This indeed is the breath of the self,' he said; your breath would have departed and left you if you had not come to me.
Close to the Sanskrit
The passage beginning with 'atsyannam' is similar. 'This indeed is the breath of the self', thus he spoke. Your breath would have departed, it would have been departed, if you had not come to me.