This knowledge acquired from Hiranyagarbha by the great Rishi Vashishtha. was From that foremost of Rishis, viz., Vashishtha, it was acquired by Narada.
हिरण्यगर्भादृषिणा वसिष्ठेन महात्मना। वसिष्ठादृषिशार्दूलान्नारदोऽवाप्तवानिदम्॥