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

Sūtra 15
samākarṣāt
samākarṣāt-from appropriateness.
The words "asat" (non-existence) and "avyākṛta" (unmanifested) also refer to
Brahman, for that interpretation is appropriate in this context.
Purport by Śrīla Baladeva Vidyābhūṣaṇa
Because it is preceded by the words so 'kāmayata (He desired.) the word asat in
the Taittirīya Upaniṣad 2.7.1 passage asad vā idam agra āsīt (In the beginning was
asat) must refer to the Supreme Brahman, and because it is preceded by the words
ādityo brahma (splendid Brahman) the word asat in the passage asad evedam (In
the beginning was asat) must also refer to the Supreme Brahman. Because before
the creation of the material world the Supreme Brahman's names and forms had
not existed in the material world, the Supreme Brahman is sometimes known as
asat (non-existence).
The idea that asat and not the Supreme Brahman is the original cause of
creation