The basic tenets of our Torah and its fundamental principles are thirteen in number: The first fundamental principle is the existence of the Creator. There is a being who exists in the most perfect mode of existence, and he is the cause of he existence of all other beings.
Authentication Score 3
Original Citation
Maimonides. Commentary on the Mishnah Torah. c. 1168.
Current Citation
Maimonides. "Commentary on Mishnah 1." The Essential Maimonides: Translations of the Rambam, translated by Avraham Yaakov Finkel. Jason Aronson, Inc., 1996.