Madhvaon Brahma Sūtra 3.3.33

From the absence of equality betwixt the released (in heaven) variance (jealousy, etc.,) does not arise between them; for all have attained to the direct knowledge of Brah- man, and are free from defects or shortcomings, in which respect they are all equal; and there is the grace of the superiors to which the souls of lower grades are indebted. This may be illustrated by the case of the pupil who has betaken himself to the preceptor (that leads him to Brahman). All this is said in the Tura Sruti, “ The classes of souls in the world of bliss are various and of various grades. But they are not at variance ("with each other) ; for they all know Brahman, and are free from faults'; even in the world (mere) inequality of rank does not become the cause of variance (discontent, etc.), as (observ- ed) in the relation of the master and the pupil, etc. ; then whence could there be any cause of difference among those that have after release attained to real wisdom V’