The Power of Sinai

Hi,

"All that we are careful to avoid, and all that we do, is only because of Divine commands conveyed by Moshe, and not because Gd instructed thus to prophets who preceded him… We don't circumcise because Avraham circumcised himself and his household, but because Gd instructed us via Moshe to circumcise, as Avraham did."

(Rambam, Commentary to Mishnayot, Chullin 7:6)

Have a great day,
Mordechai