Thus O Lord! Thou who manifested in the form of the fourteen worlds, again by Thy own will, manifested as Brahma, in Satyaloka, which is the highest and loftiest of all the worlds.This Brahma is known as Hiranya Garbh (the golden egg) the cosmic intelligence of all the beings of the three worlds. With the upsurge of Rajoguna, Thou as this Hiranya Garbha became desirous of creating various beings.
O Lord of the universe! Brahma intent on creating, wanted to have the knowledge of creating. In spite of his best efforts he could not do so on his own and hence he got worried. Then O Lord! willed by Thee, Brahma heard two pleasant words 'Tapa,Tapa' coming from nowhere, which prompted him to do penance.