# 4th Perek: Laws of Tefilin, Mezuza, and Sefer Torah

From **Rambam Audio Classes: Chabad.org: SEI** by Chabad.org.

- **Published:** Fri, 24 Apr 2026 12:00:00 EST
- **Duration:** 27:31
- **Audio:** https://http-vod-cdn.chabad.org/api/utils/file/98475.mp3?id=4A665C2C-D81B-4313-999C-3D24CB22911E&ts=1810332550&sig=iyPc6HXKel81hXiUnk0RqQKReTA%3d
- **TorahApp:** https://torahapp.org/share/p/ch_r_sie_rambam1/e/chabad-org-media-98475-5786-02-07

The Mishneh Torah is Maimonides' (the "Rambam" -- Rabbi Moses ben Maimon) magnum opus, a work spanning hundreds of chapters and describing all of the laws mentioned in the Torah.