Days on the Jewish Calendar: Kislev
Chanukah: Part 1
On why Chanukah is celebrated through Hallel and lighting candles rather than through physical simchah like Purim, and a close look at the Yevanim's decree in Al Hanissim -- to make the Yidden forget that the Torah is Hashem's Torah, and to pull them away from the chukim performed simply because they are His will.
Chanukah: Part 2
A continuation on the Yevanim's decree against the chukim, tracing why they specifically targeted the oil of the Beis Hamikdash with tumah rather than simply destroying it, and why the custom of lighting an extra candle each night became universal in a way no other mehadrin practice has.
Chanukah: Part 3
On the Ramban's comment to Aharon that the mitzvah born from lighting the menorah is greater than the nesi'im's korbanos, and how the number eight, the mitzvah of milah, and lighting outside the door at dusk all point to a light strong enough to penetrate the darkness of galus itself.
Chanukah: Part 4
A close look at whether the miracle of the pach shemen was a change in the quantity of the oil or in its quality, the halachic problems each answer runs into with the requirement to fill the menorah's measure, and the Rebbe's resolution: a nes of nimna hanimna'os, where the oil burned and was not used up at once.
Chanukah: Part 5
On the Rambam's account of the war against the Yevanim and why 'al yedei kohanecha hakedoshim' is written into the text of Hanerot Hallalu, tracing the halachos of yehareig v'al ya'avor to show that the Chashmonaim's war was itself an act of mesirut nefesh beyond what the letter of the law required -- met by a miracle beyond what the letter of the law required.
Chanukah: Part 6
Working out why the opening and closing lines of Hanerot Hallalu list the same three words -- help, miracles, and wonders -- in reverse order, by defining what separates a yeshuah from a nes from a peleh and tracing the actual sequence of events from Modi'in to the menorah as recorded in Yosifon.
Chanukah: Part 7
On the puzzling language of Al Hanissim, which credits the victory to handing the tamei over to the tahor and the reshaim to the tzaddikim -- terms that can only describe Jews, not the Yevanim themselves -- and what that says about the Mityavnim who defected, and about not losing hope while remaining a minority.
Chanukah: Part 8
Untangling why the text of Al Hanissim places the lighting of the candles in the courtyards rather than the Heichal, weighing the Chasam Sofer's answer against its own difficulties, and arriving at a different peshat: candles lit throughout Yerushalayim as an expression of thanks -- one that, through the ruchniyus of light, commemorates the victory of the war itself, not only the miracle of the oil.
Month of Kislev
The Gemara praises Matan Torah for being given bayom telisai, bircha telisai, the third day and the third month, because the number three represents a deeper achdus than the number one: it shows that an apparent second reality is not a contradiction to Hashem but is entirely batel to Him. Kislev holds this same significance as the third month counted from Tishrei, just as Sivan holds it as the third month counted from Nissan, but winter's greater concealment of Hashem makes the avodah harder and the reward and madreigah higher. Because Tishrei represents the avodah of baalei teshuvah rather than the tzadikim of Nissan, Kislev's elevation of the world surpasses even Sivan's, paralleling how a baal teshuvah can elevate what was once forbidden in a way a tzadik cannot.
Rosh Chodesh Kislev
The Rambam and Shulchan Aruch fix Rosh Chodesh Kislev as the halachic beginning of the rainy season in Eretz Yisrael, and Chazal call rain a bracha that contains every other bracha, a claim borne out by the Gemara's statement that the day of rain is even greater than the day the Torah was given. The deeper reason emerges from the pesukim in Parashas Eikev describing Eretz Yisrael as a land Hashem constantly searches out: unlike Egypt, whose fields were watered by the ever-reliable, self-sufficient Nile, Eretz Yisrael depends on rain that forces its inhabitants to lift their eyes to heaven and daven, making Hashem's hashgacha pratis visibly revealed rather than hidden inside the workings of nature. Paroh's declaration lo yadati es Hashem reflects exactly this blindness, a belief in Elokim's natural order without Havayah behind it, the same mistaken belief in independent power that the Torah calls avodah zarah whenever a person credits his own koach rather than Hashem for what he has.
Chanukah - In Depth
The four classic reasons for Chanukah, the physical and spiritual victories, the found jar of oil, and its eight-day burning, open into the famous question of why the miracle was needed at all when tumah hutrah b'tzibur would have permitted lighting with impure oil. The Rebbe's explanation runs deeper than Torah study or mitzvah observance: the Greeks specifically targeted Toratecha and chukei retzonecha, the recognition that Torah and the chukim are performed because they are Hashem's will, beyond sechel entirely, which is why they defiled the oil (representing light and intellect) rather than burn it. The mesirat nefesh this provoked drew down a Godly light so high that, unlike the Beis HaMikdash's menorah, it is never nullified, explaining the Chanukah menorah's placement, its eight lights beyond the sevenfold cycle of creation, and why Chanukah alone will still be celebrated as a special day even after Moshiach comes.
Zos Chanukah - The Last Day of Chanukah
A close look at the specialness of the number eight, the ability the last days of Chanukah have to retroactively affect the earlier days, and the Rebbe's question of why Zos Chanukah — unlike the parallel expression by the dedication offerings of the Nesi'im — falls on the last day rather than the first. The answer runs through the Beis Shammai/Beis Hillel dispute over potential versus actual, why Chanukah specifically expresses the Yidden's own initiative rather than a revelation from above, and why that makes it the one Yom Tov where universal hiddur mitzvah became the norm.