Passing of Rabbi Menachem Mendel of Kotzk (1787-1859), renowned Chassidic leader, and forerunner of the Ger chassidic dynasty and others.
Link: An Inward Focus
Rebbetzin Chaya Mushkah Schneerson (b. 1901), wife of the Lubavitcher Rebbe, passed away on the 22nd of Shevat of the year 5748 (1988). For more on the Rebbetzin, see link below. Chabad's annual international conference of sheluchot (woman "emissaries") is held on or near this date.
Links:
All about Rebbetzin Chaya Mushka
Watch: Personal Memories of the Rebbetzin
Looking at your world from Above, all is good.
Looking at your world from within, things don’t always look so nice.
Until you connect your world below to the world above. Then the goodness flows downward without distortion.
How do you make that connection? By clinging tightly above.
By putting all your trust in G‑d.

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