Chāndogya Upaniṣad 7.1.5

7.1.5

sa yo nāma brahmety upāste \
yāvan nāmno gataṃ tatrāsya yathākāmacāro bhavati yo nāma brahmety upāste \
asti bhagavo nāmno bhūya iti \
nāmno vāva bhūyo 'stīti \
tan me bhagavān bravītv iti \\701.5\

5. He who reverences Name as Brahma—as far as Name goes, so far he has unlimited freedom, he who reverences Name as Brahma.’ ‘Is there, Sir, more than Name?’ ‘There is, assuredly, more than Name.’ ‘Do you, Sir, tell me it.’