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Holy Zohar text. Daily Zohar -656
Hebrew translation:

אַשְׁרֵי הוּא מִי שֶׁשּׁוֹמֵר דִּירָה לְשַׁבָּת, שֶׁהוּא הַלֵּב, שֶׁלֹּא מִתְקָרֵב לְשָׁם עֶצֶב הַטְּחוֹל וְכַעַס הַמָּרָה שֶׁהִיא אֵשׁ הַגֵּיהִנֹּם, שֶׁעָלֶיהָ נֶאֱמַר לֹא תְבַעֲרוּ אֵשׁ בְּכֹל מוֹשְׁבוֹתֵיכֶם בְּיוֹם הַשַּׁבָּת, וְכָךְ הוּא וַדַּאי, שֶׁכָּל מִי שֶׁכּוֹעֵס כְּאִלּוּ מַדְלִיק אֵשׁ שֶׁל הַגֵּיהִנֹּם. אַרְבָּעִים מְלָאכוֹת חָסֵר אַחַת, הֵן כְּנֶגֶד אַרְבָּעִים מַלְקֻיּוֹת חָסֵר אַחַת בְּשַׁבָּת, וְהֵם עֲשָׂרָה שֶׁלָּקָה אָדָם, וַעֲשָׂרָה לְחַוָּה, וַעֲשָׂרָה לַנָּחָשׁ, וְתִשְׁעָה לָאֲדָמָה, וְלָכֵן אָמְרוּ בַּעֲלֵי הַמִּשְׁנָה אֵין לוֹקִין בְּשַׁבָּת, שֶׁאֵלּוּ הַמְּלָאכוֹת הֵם נֶחְשָׁבוֹת לְיִשְׂרָאֵל כְּנֶגֶד מַלְקֻיּוֹת.

Tikkun 48 – 2

Exodus 35:3
” לֹא-תְבַעֲרוּ אֵשׁ, בְּכֹל מֹשְׁבֹתֵיכֶם, בְּיוֹם, הַשַּׁבָּת”
“Ye shall kindle no fire throughout your habitations upon the sabbath day”

The Zohar tells us that a person who gets angry is breaking the Shabbat because he sets the fires of hell. This fire is represented in the body by the bile and the spleen. They affect the chemistry balance of the blood. The result of it is that all positivity energies in the body disappear.

No matter how righteous a person is, if he gets angry he loses the energy of Shabbat and even more than that.

On Shabbat we receive three additional levels to the soul and we can keep it with us for the coming week if we ‘maintain’ purity of the body and soul with spiritual connections.

Shabbats are spiritual steps for us and we can climb up every Shabbat if we don’t we act negatively and lose it.

If we merit it, on Shabbat we can have the visit and ‘Ibbur’, which means impregnation, of a good soul. These souls help us in our tikkun process but can not contaminate themselves in an impure body. Anger is the worst thing for them because it attracts negative energies. They get out of the body immediately and leave the person feel drained.

Keep it cool on Shabbat.
To learn more about the spiritual aspects of the Liver, Bile and Spleen in the body copy and paste this line into Google search
liver + bile + spleen