Rabbi Moshe Chaim Luzzato's (RaMChaL) Derech Hashem, is probably the most systematic exposition of Jewish fundamentals ever written, exploring Divine regulation of the world. This classic philosophical work explains our most basic beliefs regarding the existence of G-d and His purpose in creation, and goes on to present the concepts needed to understand all the other important teachings of Judaism. Translated into English by Rabbi Aryeh Kaplan, it was published in 1977. This extensively revised edition was published in 1997 with marginal notes by Rabbi Yosef Begun. Vowelized, facing Hebrew and English texts.