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Tikkun 21 – 162

Psalms 36:7
“צִדְקָתְךָ, כְּהַרְרֵי-אֵל–מִשְׁפָּטֶיךָ, תְּהוֹם רַבָּה; אָדָם וּבְהֵמָה תוֹשִׁיעַ יְהוָה”
“Your righteousness (justice) is like the mighty mountains (light of Chessed) ; Your judgments are like the great depth (reaching the lowest levels of Malchut); man and beast you will save, YHVH

This verse tells us that YHVH will bring salvation to man and beast.
Animals don’t have free choice and their souls go through a different process so this verse is talking about the people that are at the level of ‘beast’ when they don’t have any connection to the system of YHVH.
The Zohar says that if a person at that level decides to connect to the YHVH and follow his Tikkun process then YHVH will bring justice by connecting him to the central column and redeem him.

Even if a person is at the bottom of the bottom he can still come back and connect to the YHVH system. No one is rejected.