Sri Brahma-Samhita

References to text BS 5.40
BS 5.40: I worship Govinda, the primeval Lord, whose effulgence is the source of the nondifferentiated Brahman mentioned in the Upaniṣads, being differentiated from the infinity of glories of the mundane universe appears as the indivisible, infinite, limitless, truth.

Text
“Prior to the cosmic creation, only I exist, and no phenomena exist, either gross, subtle or primordial. After creation, only I exist in everything, and after annihilation, only I remain eternally.
The Spiritual Masters
CC 1.1.53
“I worship Govinda, the primeval Lord, who is endowed with great power. The glowing effulgence of His transcendental form is the impersonal Brahman, which is absolute, complete and unlimited and which displays the varieties of countless planets, with their different opulences, in millions and millions of universes.”
Sri Caitanya Mahaprabhu Is the Supreme Personality of Godhead
CC 1.2.14
The disciples of the Bhaṭṭācārya said, “We derive knowledge of the Absolute Truth by logical hypothesis.”
The Liberation of Sarvabhauma Bhattacarya
CC 2.6.81
“Everything in the cosmic manifestation emanates from the Absolute Truth, remains in the Absolute Truth, and after annihilation again enters the Absolute Truth.
The Liberation of Sarvabhauma Bhattacarya
CC 2.6.143
Sārvabhauma Bhaṭṭācārya continued, “There are two kinds of sāyujya-mukti: merging into the Brahman effulgence and merging into the personal body of the Lord. Merging into the Lord’s body is even more abominable than merging into His effulgence.”
The Liberation of Sarvabhauma Bhattacarya
CC 2.6.269
“ ‘I worship Govinda, the primeval Lord, who is endowed with great power. The glowing effulgence of His transcendental form is the impersonal Brahman, which is absolute, complete and unlimited and which displays the varieties of countless planets, with their different opulences, in millions and millions of universes.’
Lord Sri Caitanya Mahaprabhu Instructs Sanatana Gosvami in the Science of the Absolute Truth
CC 2.20.160