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I have heard that Sha'ar Ha'Yichud of Chovos Ha'Levavos is controversial, and that one needs a rebbe in order to learn it. What does the author say that is so difficult to understand?

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4 Answers

up vote 13 down vote

The philosophical approach is considered by many to be an "Emunah minefield" for those who do not have proper guidance. The popular "Lev Tov" edition of Chovos Halevavos (with a translation/commentary by R' Yosef Lieberman) has a lengthy introduction to Shaar HaYichud, in which he cites these views at length and in detail.

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up vote 6 down vote

In addition to the issue of whether the philosophical proof of G-d's existence is a proper approach, my own analysis of Sha'ar HaYichud is that the particular philosophical proof he uses is simply incorrect. Some mathematical premises that he relies on were proved incorrect in the 19th century.

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correction: Hawkings says it is incorrect. hawkings is using mathematical proofs which dont hold in real practice. in mathematics, the mind can suppose all sorts of things which are not possible in actuality. for example, there are an infinite number of points between 1 and 2 therefore something can be finite yet have infinite parts. answer: false - a point is not a part since it is infinitely small. it is just a mathematical abstraction with no basis in reality. likewise, the supposed "infinite integer set" hawkings is supposing is just a mathematical abstraction. continued: – good_ole_ray May 8 at 6:47
you cannot make something of infinite character from something of finite character. since the whole is the sum of its parts. and to have infinite finite parts is a mathematical abstraction which is impossible in actual practice. we see from this answer the danger of learning shaar yichud. – good_ole_ray May 8 at 6:51
another answer to Hawking's mistake is that the author did not mean to say mathematically that one infinity cannot be greater than another infinity but rather as the Marpe Lenefesh commentary there says: "If we were able to take out a finite part from something infinite then perforce it must be composed of two opposite natures - finite and infinite, and this is an impossibility" – good_ole_ray May 8 at 7:05
@R.S. Where can we see Hawkings' claims so we can evaluate the merit of your alleged disproof? And btw Hawkings didn't live in the 19th century, so I don't think that's what Chanoch is referring to. – Double AA♦ May 8 at 14:40
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"Actually infinite" is a quote from the shaar yichud not from me. this is exactly my point. the "refutation of Hawkings" assumes the shaar yichud is bringing a mathematical proof. Whereas the shaar yichud says "actually infinite" specifically to negate this. Marpe Lenefesh commentary in ch.5: (on the words if we consider in our thoughts): This means that the thing to consider is actually infinite, but for something which is not actually infinite but is just theoretical, that the mind imagines something infinite - from this one cannot bring a proof, because the power of imagination – good_ole_ray May 8 at 18:16
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up vote 3 down vote

I believe I heard in the name of the former Rosh Yeshiva of Chofetz Chaim Rav Henach Lebowitz ZS"L not to read it because it is not good to place the entire belief of G-d on science.

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Please explain the downvote. – Hacham Gabriel Feb 3 '12 at 3:42
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i upvoted to counteract. – josh waxman Dec 27 '12 at 13:07
+1 ACDN were here… – HodofHod Dec 27 '12 at 23:16
I read in the below translation that the Chasam Sofer would teach it and say kaddish afterwards. so he considered it torah – good_ole_ray Dec 30 '12 at 12:59
the intent of the shaar yichud is not to place belief of G-d on science but only to SUPPLEMENT one's faith with proofs to strengthen it as written in the Tov Halevanon ch.7: Tov Halevanon: The scientist/investigator, from the role he assumes as investigator, it is his way to believe only that which he has clarified through logical proofs. While the "believer", who believes that which has not been clarified to himself through logical proofs, has already gone out of the role of "scientist/investigator" and has no business debating with them. And now that we are here today, – good_ole_ray May 8 at 18:22
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up vote 0 down vote

I asked this question to Rabbi Mordechai Kornfeld, the rosh kollel of iyun hadaf in harnof http://dafyomi.co.il

he replied: "There is a difference of opinion among the Torah authorities as to whether this section should be studied by the typical student of the Torah. Many Torah luminaries maintain that one should not seek philosophical proofs of G-d's existence. Belief in Hash-m should be based on the Mesorah (tradition) that we received from our elders and mentors, the study of Hash-m's wondrous Torah, and the many ways He manifests Himself in His creations and in our daily lives."

in any event the shaar yichud can be read online here: http://www.dafyomireview.com/article.php?docid=398

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