Madhvaon Brahma Sūtra 2.2.24

“ That very thing is this So does the recognition arise of everything previously cognised. (Hence if every- thing were different from itself in the subsequent moment, the recognition of the identity of the thing observed at two different points of time could not take place). If it should be objected that the recognition of identity is an illusion, then the opponent should be told that his notion of the change or of difference in the individual presented is also an illusion. (In the following Adhikarana) the Sutrakara refutes the theory that Sunya or non-entity is the cause.