Vayeira 5779

Rashi doesn't usually explain why Hashem appears to someone, here he explains why because the Torah doesn't tell us the purpose of the visit.

The historical and halachic basis for Bikur Cholim - ואהבת לרעך כמוך and והלכת בדרכיו, making it both בין אדם למקום and בין אדם לחברו.

The 3 elements of the mitzvah of Bikur Cholim, visiting the sick - raising the patient's spirits (moral support), assistance (ביקור also means to inspect), and davening for the choleh.

What is the connection between Avraham becoming a great nation and Hashem's decision to inform him of the destruction of Sodom?