Хасидус к Йешайау 50:3

Even though there are many different levels in them, with numerous chainings-down, even those who receive through a multitude of screens, in an aspect of the back of the back of Elohi״m-אלהי״ם, from the forty-eight (מ”ח) last combinations [of Elohi”m-אלהי״ם] which is called,¹⁶Blessing of “Emet V'Emunah”; Pri Etz Chayim, Shaar Chag HaMatzot, Shaar 21, Ch. 5; Maamarei Admor HaEmtzaee, Vayikra Vol. 1, pg. 327; Devarim Vol. 3, pg. 1,061; Shaar HaEmunah 30a & 49a. “the land of the children of Cham (ח”ם-48),” in a way of ultimate concealment and Tzimtzum-restraint with various different types of screens and separations, so much so, that it is called a garment of sackcloth and skin, as in the verse,¹⁷Isaiah 50:3; Also see Siddur Im Divrei Elokim Chayim, Milah 45c; Maamarei Admor HaEmtzaee, Vayikra Vol. 2 pg. 896. “I will enclothe the heavens with darkness and I will put sackcloth as their covering etc.,” as known, and as stated,¹⁸Havdalah prayer; Shaarei Teshuva 113c “He who separates etc.” Nonetheless it states,¹⁹Psalms 47:9 “God reigns over the nations etc.,” and,²⁰Jeremiah 10:7 “Who will not fear You, O King of the nations etc.,” for,²¹Psalms 103:19 “His kingdom rules over all.”