Avraham is described in the midrashim as being extreme in the mitzva of hachnasat orchim (hospitality). Through this method, he was able to mekarev (reach out to) thousands of people and teach them ...
Chazal tells us (Midrash Rabbah Bereishis 64:4 and 95:3; Yoma 28b, based on. Gen. 26:5; Kiddushin 82a) that the Patriarchs observed the mitzvahs before they were given. But Avraham did not circumcize ...
The Midrash says (Bereshis Rabbah 49:13 quoted in Rashi Genesis 18:32) that Abraham stopped asking HaShem to save Sodom in the merit of less than 10 people because Noah and his family who were 8 ...
One of the difficult tests Avraham Avinu faced was when Nimrod threw him into the (Kivshan Haish) fire. It is not mentioned in the Torah at all. Why?