Part 16 · Chapter 216

And indeed, this itself is the explanation of what is said, 'the upper Ima nests in the Throne.' Explanation: Ima of Beriah itself nests in the Throne, for from there we may say that the world of Beriah begins. For AA and Aba of Beriah are covered and hidden as stated above. Therefore Bina is designated to Beriah, for there is no revelation of light in it except from its own Bina and onward.