Spiritual Gems from the parsha

And Korach took... and they rose up before Moses (Num. 16:1-2)
A person who is broad-minded will not respond to taunts, as he is mature enough to disregard them. By contrast, a person who is narrow-minded is unable to tolerate anything that goes against his will, and becomes immediately angered like a young child. In Chasidic terms, unity is derived from "broadness of the intellect"; controversy results from "smallness of intellect."
(Maamarei Admor HaZakein)
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That the earth open its mouth and swallow them up...and they go down alive into the pit (Num. 16:30)
A person can only avail himself of repentance while he yet lives. Korach and his followers, swallowed up by the earth alive because of their sins, were granted the opportunity to repent and atone for their transgressions.
(The Lubavitcher Rebbe)
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And they shall keep the charge of the Tent of Meeting (Num. 18:4)
From this verse we learn of the mitzva of guarding the Tabernacle, and subsequently, the Holy Temple. This mitzva, given to the Levites and kohanim, was purely ceremonial, to arouse honor and respect for the holy site. Even after the destruction, the sanctity of the site where the Holy Temple stood remains in full force. Why then do we not continue to guard it even during the exile? Until Moshiach comes, speedily in our day, the Jewish people is in constant danger from the nations of the world. This applies not only when non-Jews have sovereignty over the land of Israel, but also when the land is in Jewish hands - and even when peace treaties have been signed with our enemies. As "saving even one life takes precedence over the entire Torah," for reasons of safety we are unable to perform the mitzva of guarding the site of the Holy Temple today.
(Sichot Kodesh Ki Tisa, 5747 - 1987)