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prepared by Rabbi Eliezer Chrysler
Kollel Iyun Hadaf, Jerusalem

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Eruvin 21

ERUVIN 21, 22, 23, & 25 sponsored by a generous grant from an anonymous donor. Kollel Iyun Hadaf is indebted to him for his encouragement and support and prays that Hashem will repay him in kind.


(a) When is even a person permitted to draw water 'Pasei Bira'os' and drink it there?

(b) 've'Lo Yemale Adam Mayim ve'Yiten Lifnei Behemto, Aval Memale Hu ve'Shofech Lifnei Beheimah ve'Shosh Me'elehah'. What does the Gemara mean when it asks 'Mah Ho'il Roshah ve'Rubah shel Parah?'

(c) How does the Gemara answer this question?

(a) What are 'Burganin' and what is their Halachic significance?

(b) Why did the Halachah of 'Burganin' not apply in Bavel?

(c) Why did 'Pasei Bira'os' not apply in Chutz la'Aretz?

(d) What does 'Aval Ipcha, Avdinan' mean?

(a) In the second Lashon, Rav is quoted as saying that neither Burganin nor 'Pasei Bira'os' were applicable either in Bavel or in Chutz la'Aretz. According to this Lashon, why did ...
  1. ... 'Burganin' not apply in Chutz la'Aretz?
  2. ... 'Pasei Bira'os' not apply in Bavel?
(b) How far was it from Barnash to the Shul in Daniel?

(c) Having just ruled that 'Burganin' does not apply in Bavel, on what basis was it permitted to walk from one to the other on Shabbos?

4) What is the source for the Shiur of seventy and two thirds' Amos of 'Burganin'?


(a) What is it that David ha'Melech, Iyov and Yechezkel failed to explain?

(b) Yechezkel spoke of 'Kinim' and 'Hegeh'.
What do these mean?

(c) Zecharyah ben Ido (the prophet) eventually explains the extent of the Mitzvos (though it is obvious that his explanation cannot be understood literally). He describes Torah as a folded scroll of twenty Amos by ten, written on the back as well as on the front. Considering that Yeshayah describes Heaven and Earth as a Zeres, what fraction of Torah does that make the world?

Answers to questions



(a) Mari bar Mar (the author of the last statement) also explained the Pasuk in Yirmiyah, that speaks of two copper pots, one containing high-quality figs, the other, rotten ones.
What do these two pots represent?

(b) What does he learn Pasuk in Shir ha'Shirim "ha'Duda'im Nasnu Re'ach"?

(c) If, according to Rava, "ha'Duda'im Nasnu Re'ach" refers to young men who have not sinned, to whom does "ve'Al Pesachenu Kol Megadim" refer?

(d) And what does the continuation of the Pasuk "Chadashim Gam Yeshanim Dodi Tzafanti Lach" mean?

(a) How does Rava explain the Pasuk in Koheles "ve'Yoser Meheimah Be'ni, Hizaher Asos Sefarim Harbeh"?

(b) What do we learn Pasuk in Koheles "u'Poretz Geder Yishchenu Nachash" which conforms with this?

(c) Why then, were these Mitzvos not included in the Torah?

(a) How does the Gemara attempt to explain the Pasuk in Koheles "ve'Lahag Harbeh Yegi'as Basar"?

(b) Why does the Gemara reject this explanation?

(c) How does the Gemara finally explain the Pasuk?

(a) What happened that day, to the daily cup of rationed water allotted to the captive Rebbi Akiva by his Roman captors?

(b) What was Rebbi Akiva's reaction to this, and why did he make that decision?

(c) What did his contemporaries say about him when they heard what he had done?

(a) Which two Takanos did Shlomoh ha'Melech institute?

(b) What was Hashem's reaction to them?

a) What does the Pasuk in Shir ha'Shirim mean when it describes how Yisrael asked Hashem to go out with them into the fields? Why the fields and not the cities?

(b) "Nalinah ba'Kefarim".
Who are meant by the Kefarim, and what were Yisrael saying to Hashem with these words?

(c) To whom was Shlomoh referring, when (he continued 1. "Parchah ha'Gefen"; 2. "Pasach ha'Semadar"; 3. "Henetzu ha'Rimonim"?

(a) What do we learn Pasuk in Melachim ...
  1. ... "Vayedaber Sheloshes Alafim Mashal"?
  2. ... "Vayehi Shiro Chamishah va'Alef"?
(b) And Pasuk in Koheles "Od Limed Da'as es ha'Am"?

(c) Which third Takanah, besides the two Takanos mentioned earlier, did Shlomoh institute?

(d) What do Chazal mean when they say that, until Shlomoh ha'Melech, Torah was like a basket without handles?

(a) What does Rav Chisda, quoting Mar Ukva, learn Pasuk in Shir ha'Shirim ...
  1. ... "Kevutzosav Taltalim"?
  2. ... "Shechoros ke'Orev"?
(b) Rabah explains it 'be'Mi she'Mashchir Panav ke'Orev'.
How does Rava explain it? Why the analogy to a raven?
Answers to questions
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