Garudapurana 3.3.16

3.3.16

acintyavīryaiścintyavīryairdvirūpaḥ strīrūpamekaṃ puruṣaṃ tathā param /
ubhe rūpe vīryavatī khagendra tayorabhedaścintanīyo hi samyakū //

Possessed of inconceivable and conceivable energies, he has two forms: one female form, and the other male. / Both forms possess virile power, O King of Birds; their non-difference should indeed be properly contemplated.