Caitanya-caritāmṛta 25.100
ataeva brahma-sūtrera bhāṣya — śrī-bhāgavata bhāgavata-śloka, upaniṣat kahe ‘eka’ mata
[ataeva brahma-sootrera bhaashya — shree-bhaagavata bhaagavata-shloka, upanishat kahe ‘eka’ mata]
Blended reading (Sanskrit + English inline)
ataeva brahma-sūtrera bhāṣya — śrī-bhāgavata bhāgavata-śloka, upaniṣat kahe ‘eka’ mata
“Therefore it is to be concluded that the Brahma-sūtra is explained vividly in Śrīmad-Bhāgavatam. Also, what is explained in the verses of Śrīmad-Bhāgavatam has the same purport as what is explained in the Upaniṣads.
My note
Source: vedabase.io