मम योनिर्महद्ब्रह्म तस्मिन् गर्भं दधाम्यहम्।संभवः सर्वभूतानां ततो भवति भारत ॥

My womb is the great Nature. The cosmos is evolved out of His Nature. Nature is called the great Brahma for She is the resting place of the five subtle elements and also the Mahat (cosmic mind). She is callled the great Brahma, because through Her the whole manifestation takes place.All changes arise out of this great Nature. So She has got the name Mulaprakriti or Primordial Nature or the original principle. From the point of view of the Unmanifest She is called Avyakta. The Vedantins call Her Maya (illusion). The Sankhyas call Her Prakriti.This Prakriti is called great because She is greater than all Her effects. This Nature, made of the three alities, is the material cause of all beings. As She is the source or cause of all Her,modifications and also nourishes all the modifications with Her energy, She is called Brahma.I place in it (the Mahabrahma) the embryo of life then all beings begin to come to life therefrom. In the great Brahma or Nature I place the germ or the seed for the birth of Hiranyagarbha and the seed gives birth to all beings. The birth of Hiranyagarbha or Brahma (the Creator) gives rise to the birth of beings. The Primordial Nature is like the clay. She cannot create the forms Herself. She gives birth to Brahma Who creates all beings just as the potter creates various forms from the clay