Room one hundred and eighty in the hall of Hayom Yom.
21 Iyar, 36 days of the Omer, 5703.
Shiurim: Chumash, Bechukotai, Revi'i, with Rashi's commentary.
Tehillim, 21st of the month, from chapter 104 to chapter 105.
Tanya, on this day we conclude chapter 49. The shiur begins with the words "ki al" and ends at the conclusion of the chapter.
The daily teaching is taken from a letter written by the Rebbe Rayatz on 26 Adar 5694, addressed to Tzeirei Agudas Yisroel in Riga. At that time, the Rebbe Rayatz was in Riga on a visit, and they had yechidus with him and very much wanted the Rebbe to receive them all together for guidance and to speak with them, but due to a lack of time, this did not happen. After a while, the Rebbe Rayatz sent them a letter, which opens with an apology that due to a lack of time he could not receive them all, and in the letter he completes all the points he wanted to discuss with them.
This letter is a foundational and important letter, and the Rebbe brings several teachings from it in Hayom Yom, all during this period: on 7 Adar I the first part of the letter was brought, on 26 Adar I the second part, and today, 21 Iyar, its conclusion is brought.
The overall content of the letter is to awaken them to how the main avodah of a Jew in the world is to illuminate the world. A Jew must know that when the Holy One, blessed be He, arranges for him through hashgacha pratis all kinds of situations and circumstances - and even things that appear coincidental - everything is by divine providence directing him to reach situations which he must utilize, since his purpose is to illuminate the world and have an effect on his surroundings. This is the content of the letter throughout.
The conclusion of the letter is the daily teaching, right before the signature. And so writes the Rebbe Rayatz: "Every single person must know that He, blessed be He, in His hashgacha pratis gives every person the possibility to translate the Supreme Will, blessed be He, from potential into actuality". Every Jew must know that everyone is capable of carrying out the will of the Holy One, blessed be He, in actual deed, and the Holy One, blessed be He, leads him with hashgacha pratis to reach this goal - "by fulfilling the mitzvos and strengthening Yiddishkeit and holiness at all times and in whatever place he may be". Always, wherever you are, the Holy One, blessed be He, arranges for you to successfully carry out your shlichus. "And the matter depends on nothing but his avodah" - what you need to do is simply to act, but to know that from above everything is prepared.
To a certain extent, it can be said that this teaching is a continuation of the teaching from the previous day, 20 Iyar. Although the previous teaching is taken from a different letter, from a different period and to a different person, its content was that one must not give excuses as to why one cannot do avodah, but on the contrary - one must invest effort, internalize it with a receptive mind, and succeed. Following this, the content of the daily teaching is the same: that a Jew must know that the Holy One, blessed be He, always gives him the possibility to execute and succeed.