Brihadaranyaka Upanishad 4.2.4.p1

4.2.4.p1

iti caturthādhyāye dvitīyaṃ brāhmaṇam

Of the sage (who is identified with the vital forcefootnote{That is, the Prâjna, of which the vital force is a limiting adjunct.}), the east is the eastern vital force, the south the southern vital force, the west the western vital force, the north the northern vital force, the direction above the upper vital force, the direction below the nether vital force, and all the quarters the different vital forces. This self is That which has been described as ‘Not this, not this,’ ‘It is imperceptible, for It is never perceived; undecaying, for It never decays; unattached, for It is never attached; unfettered—It never feels pain, and never suffers injury. You have attained That which is free from fear, O Janaka,’ said Yâjñavalkya. ‘Revered Yâjñavalkya,’ said Emperor Janaka, ‘may That which is free from fear be yours, for you have made That which is free from fear known to us. Salutations to you! Here is this (empire of) Videha, as well as myself at your service !'