Madhvaon Brahma Sūtra 1.1.14
Dvaita Vedānta
Sūtra
तद्धेतुव्यपदेशाच्च
taddhetuvyapadeśācca
Sūtra translation
And on account of His being stated as the cause of the activity of the world, (1which furnishes a reason) for His being Anandamaya.
For the text says (of Brahman) * Who could make the world) act or who could make it act well, if that Akasa (Vishnu who shines on all sides) should not abound in bliss,’ (T. U. ii., 7).