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Beit Midrash
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Let us start by looking at the discrepancy between 400 and 430 years, both mentioned in explicit p’sukim. Mechilta D’Rashbi (Shemot 12:40) and Targum Yonatan (ad loc.), whose explanation is adopted by Rashi (Bereishit 15:13) and the Rashbam (Shemot, ibid.), explain that the 400 years are to be counted from the birth of Yitzchak, even though he personally did not go down to Egypt. The 430 years is from the time that the Brit Bein Habetarim was made with Avraham, when he was 70 years old. (That raises a question of timing, considering that Parashat Lech Lecha begins with Avraham being 75 years old (see Bereishit 12:4); we will discuss this in the soon-to-be-published Tzafnat Shmuel).
The Abarbanel cites an opinion that the exact number of years was that which is mentioned in Shemot – 430 years. The number 400 was an approximation. However, the Abarbanel continues with an explanation he prefers to the above. The decree was that which is found in Bereishit – 400 years. In practice, the exile was extended beyond its minimum because the Jewish People destroyed their proper path and allowed themselves to slip into acts of the abominations of the Land of Egypt. Therefore, 30 years were added on to their stay in Egypt. This is because all divine decrees are on the condition that they can be affected by the subsequent positive or negative behavior of the subject of the decree. Thus, 400 is what should have been under normal circumstances, and 430 was what was necessary as things transpired.
Based on this final approach, we can understand the Rabbinic tradition regarding the mistake of the Sons of Ephrayim. They tried to leave Egypt earlier than the rest of the nation and were killed on the "path of the Land of the Plishtim" (see Shemot 13:17 and Divrei Hayamim I,7:20-21). The gemara (Sanhedrin 92a) claims that the bones that Yechezkel brought back to life were those of the murdered Sons of Ephrayim, who left early. If the 400 years that Avraham was told had already passed, we can understand why they felt confident that they would be successful in leaving.
(According to the Psikta Zutrata, Shemot 12:40, that the actual time spent in Egypt was 210 years, neither 400 nor 430 years was meant in the literal manner we might expect, which lessens the apparent contradiction. We will continue with this next week.)
Lessons
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Chukat "HOW ENTEBBE STOLE THE BICENTENNIAL
The Difference Between Historic & Eternal"
As we approach America's 250th birthday, it's worth remembering her 200th Bicentennial birthday, on Jul. 4th 1976, when Israel "stole the show" by shocking the world & miraculously saving 101 hostages in a foreign continent. As Pres. As Pres. Trump decides which countries get priority in his new Middle-East, it's worth reminding him of the difference between historic events and eternally historic ones. This obviously connects with this week's parsha, as well!

Kuzari -Rabbi Ari Shvat Kuzari class 6 - The Parable of the King of India
The advantages of testimony over circumstantial evidence or philosophical speculation.

Kuzari -Rabbi Ari Shvat Kuzari class 5- "Proofs of G-d"
This may be the most important class of the entire book, where we finally get to the Jewish proof of the existence of G-d and truth of the Torah. We should follow His own direction where He tells us how to get to Him: through the Nation of Israel: Jewish history, Jewish prophets (and today, prophecies fulfilled), and national reward & punishment towards Am Yisrael.

Ein Aya One Humanity, One Creator, One Jerusalem
Rav Kook innovatively and beautifully explains this aggadeta where our sages say that after Jerusalem was destroyed her cinnamon fragrance is only found locked in a particular kingdom's treasury.

Shlach Lecha "Why So Many Don't Make Aliya?" - Parshat Shlach
This short article deals with the weird phenomena that every single time Am Yisrael is meant to enter the Land of Israel, throughout the Tanach, 2nd Temple and until today, they "chicken out" and look for excuses. What's the problem with this mitzvah that proves so challenging. The article, based on sources, suggests that the difficulties of Eretz Yisrael is precisely her secret and beauty!

Kuzari -Rabbi Ari Shvat Kuzari class 4
The class deals with Islam and how the Muslim tries convincing the King of the Khazars, and why he was also rejected.

Beha'alotcha JEWISH STATE= GUIDE TO G-DLINESS & SELFLESSNESS
A Jewish State not only is a good idea, but educates us towards selflessness, altruism and G-dliness in our daily lives.

Ein Aya In Zion Even the Smoke of the Bark is Sweet
Just as Jewish nationalism is different from others, so too our capitol of Jerusalem is totally different than other national capitols. Rav Kook beautifully explains the passage in the Talmud that the trees of Yerushalayim were cinnamon trees.


















