Madhvaon Brahma Sūtra 3.2.24

Even when He is worshipped with intense devotion and sought to be propitiated, Brahmau remains only non-manifest. He is understood to be such by direct per- ception by the wise; and by other people, by means of inference from its characteristic of being most subtle. This is said in the Brahma Vaivarta: “No one could make it manifest (reveal itself) even by intensely devout worship j for (He) the blessed and eternal Lord of all, is eternally non-manifest.” Brahman in His eternal and subtle form remains but non-manifest for ever; however He may assume some manifest (visible) form and become cognisable j just as fire, etc., (water and earth) invisible in their undeveloped Or unevolved state are perceptible in their phenomenal j forms, so, the same (may be said of Brahman). But this supposition cannot be made, for,