Madhvaon Brahma Sūtra 1.3.1
Dvaita Vedānta
Sūtra
द्युभ्वाद्यायतनं स्वशब्दात्
dyubhvādyāyatanaṃ svaśabdāt
Sūtra translation
The abode of heaven, etc., (is Brahman only), from (the use of) the word which is restricted to Vishnu alone.
I11 the text, ‘ Know Him alone the Atman/ from the use of the word Atman, the abode of heaven, etc., is Vishnu only. “ The words such as Atman, Brahman do not declare any but the imperishable Vishnu, for perfection in respect of qualities is not reached by others.” Brahma Vaivarta Puraua.