Madhvaon Brahma Sūtra 3.3.11

Towards the accomplishment of eternal blessedness release and the main fruit, the Lord is to be contemplated as Bliss, Intelligence, the Faultless and the Master. The following is said in the Brahma Tarka; “ The meditation of Brahman by all that seek release is, it is concluded, to be made with the comprehension that Brahman is the faultless, is bliss, is intelligence and is the master; and such meditation is necessary, as corresponding to the result, for that only would lead to the desired release, since the result would correspond to meditation/'