The eldest-born Being is called Hiranyagarbha. This holy one has been called the Understanding. In the Yoga scriptures, He is called the Great, and Virinchi, and the Unborn.
हिरण्यगर्भो भगवानेष बुद्धिरिति स्मृतः। महानिति च योगेषु विरिञ्चिरिति चाप्यजः॥