Kabbalah sa Deuteronomio 16:20: Sha'arei Orah & Sefer HaBahir

Now, because those two qualities called “the two stones” are equal, they therefore are also the secret of the two letters Hey-ה of the Name HaShem-יהו״ה, blessed is He. The stone called “encompassing-Socharet-סוחרת” is the first letter Hey-ה of the Name HaShem-יהו״ה, blessed is He, and the stone called “dwells-Dar-דר” is the final Hey-ה of the Name HaShem-יהו״ה, blessed is He. This is why these two qualities are often called by the same name. The first Hey-ה of the Name HaShem-יהו"ה, is the matter of the stone called “encompassing-Socharet-סוחרת” and is called the upper righteousness-Tzedek Elyon-צדק עליון and the final Hey-ה of the Name HaShem-יהו"ה, is the matter of the stone called “dwells-Dar-דר,” and is called the lower righteousness-Tzedek Tachton-צדק תחתון. About them Torah states,¹¹⁴Deuteronomy 16:20 “Righteousness, righteousness-Tzedek Tzedek-צדק צדק shall you pursue.” That is, pursue righteousness-Tzedek-צדק, which is the matter of the Indwelling Presence of HaShem-יהו״ה (Shechinah), so that you will merit the upper righteousness-Tzedek Elyon-צדק עליון, which is the matter of the coming world-Olam HaBa-עולם הבא. This is the meaning of the verse,¹¹⁵Proverbs 21:21 “One who pursues righteousness-Tzedakah-צדקה will find life, righteousness-Tzedakah-צדקה, and honor.”

Now, because both Sefirot are aligned one opposite the other, and both are called Righteousness-Tzedek-צדק, the Torah therefore states,¹⁹⁷Deuteronomy 16:20 “Righteousness-Tzedek-צדק, righteousness-Tzedek-צדק shall you pursue.” That is, you should pursue attaining the Gates of Righteousness-Shaarei Tzedek-שערי צדק, so that through them you may enter the Life of the Coming World-Chayei Olam HaBa-חיי עולם הבא, that is, the Upper Righteousness-Tzedek Elyon-צדק עליון. The verse therefore states, “Righteousness-Tzedek-צדק, righteousness-Tzedek-צדק shall you pursue,” and then explains, “So that you may live-Tichyeh-תחיה,” referring to the Upper Righteousness-Tzedek Elyon-צדק עליון, “And possess the Land-Aretz-ארץ,” referring to the Lower Righteousness-Tzedek Tachton-צדק תחתון, which is the secret of the Land of Israel-Eretz Yisroel-ארץ ישראל, as the verse states,¹⁹⁸Isaiah 1:21 “She was full of justice-Mishpat-משפט, righteousness-Tzedek-צדק lodged in her.” Understand this well.

[The students objected,] "But is it not written, '[God] set darkness as His hiding place, His pavilion around Him, darkness of waters, thick clouds of the skies' (Psalms 18:12)?"
He [Rabbi Rachumai] said to them, "It is written about Him, 'The Heavens will rain down righteousness [צדק]' (Isaiah 45:8). This righteousness is the treat of judgment [דין] of the world, as is said, 'Justice, justice, you will pursue' (Deuteronomy 16:20), and it is written after it, 'In order that you will live and inherit the earth' (Ibid.). If you will judge yourself, you will live. If not, He will judge you and enact [the judgment] against your will."