Garudapurana 3.3.14

3.3.14

bhinnaṃ tadāhuḥ prākṛtameva cāhuḥ svanābhipadmādikavacca bodhyam /
naitāvatā jñānarūpasya viṣṇorna vīryahāniriti cintanīyam //

They declare it to be distinct, and declare it to be merely material, to be understood like the lotus from his own navel. / Not on that account should it be thought that there is any loss of virility for Viṣṇu, whose form is knowledge.