गोविन्द भाष्य (श्रील बलदेव विद्याभूषण - अचिन्त्यभेदाभेद वेदान्त ब्रह्मसूत्र भाष्य सटीक)

This also refers to air. Purport by Śrīla Baladeva Vidyābhūṣaṇa This proof that ether was created clearly shows that air, which exists within ether, must also have been created. That is the meaning. This is so because the limbs of something must have the same qualities as the whole of which they are parts. Our opponent may object: Because it was never described in the Chāndogya Upaniṣad, it is clear that air was never created. To this I reply: The Taittirīya Upaniṣad explains that air was created from ether. Then our opponent may say: That description of the creation of air must have been a figure of speech, because the Śruti-śāstra explains that air is eternal. To this I reply: The Chāndogya Upaniṣad affirms in a pratijñā statement (aitad- ātmyam idaṁ sarvam) that everything was created by the Supreme Personality of Godhead. In this way the creation of air is proved. When it is said that air is eternal the intention is that it is so only relative to some other things. Air was discussed in a separate sūtra and not discussed together with ether. This was done to facilitate the argument of Sūtra 9. Adhikaraṇa 3 The Eternal Supreme Personality of Godhead Is Not Created Introduction by Śrīla Baladeva Vidyābhūṣaṇa The Chāndogya Upaniṣad (6.2.1) affirms: sad eva saumyedam "O gentle one, in the beginning the Supreme Personality of Godhead alone existed." A doubt may arise about this statement. Was the eternal Supreme Personality of Godhead created or not? Pradhāna, mahat-tattva, and many other things that are causes or creators of other things were created, so perhaps the Supreme