Reference for Menachot 165:15

ור' עקיבא האי (דברים טז, ב) וזבחת פסח

For Rabbah B'Bar Hannah said in the name of Resh Lakish, Wherever the word 'finger' or 'priest' is used it signifies that the right hand only [shall be used]!<span class="x" onmousemove="('comment',' V. supra 10a, and Hul. 22a.');">²¹</span> - This too was stated [above] to no purpose."&gt; 'Guilt-offering': as the bones of the guilt-offering are permitted for use,<span class="x" onmousemove="('comment',' For profane purposes. Provided the bones are without marrow, v. Pes. 83a.');">²²</span> so the bones of all other offerings are permitted for use.<span class="x" onmousemove="('comment',' The other items in this verse (ibid. 37) are interpreted by R. Akiba in the same way as R. Eliezer.');">²³</span> For what purpose does R'Akiba use the verse, And thou shalt sacrifice the Passover-offering?<span class="x" onmousemove="('comment',' Deut. XVI, 2. This verse is expounded in our Mishnah to teach that the thank-offering shall be brought only from what is unconsecrated; according to R. Akiba, however, this exposition is unnecessary, since he derives from the sin-offering the general rule that all obligatory offerings must be brought only from what is unconsecrated.');">²⁴</span>

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