Rabbi Samlai explains that six hundred and thirteen commandments were
communicated to Moses; three hundred and sixty-five negative, according
to the number of days in the year, and two hundred and forty-eight
positive, according to the number of members in the human body. Rav
Hamnunah asked what was the Scripture proof for this. The reply was
(Deut. xxxiii. 4), "Moses commanded us a law" (Torah), which by Gematria
answers to six hundred and eleven. "I am," and "Thou shalt have no
other," which we heard from the Almighty Himself, together make up six
hundred and thirteen.
THE TALMUD, _Maccoth_, fol. 23, col. 2.