עקב אשר שמע אברהם בקלי וישמר משמרתי מצותי חקתי ותורתי
Hashem gifted the Holy Land to Avraham Avinu due to his fidelity in obeying Hashem’s word. The Torah speaks of four categories of commandments which cover the entire corpus of Biblical and Oral Law, including Rabbinic enactments that were established to safeguard the Torah from incursion. Avraham did all this without Hashem commanding him to do so. He was able to perceive the entire Torah through Ruach HaKodesh, Divine Inspiration, and he observed it voluntarily (Ramban). Chazal teach that Avraham even adhered to the law of Eiruv Tavshilin, joining two cooked foods, in order to prepare on Yom Tov for…