וירא אליו ד' ... והוא ישב פתח האהל
Rashi’s commentary to this pasuk is well known. Hashem appeared to Avraham Avinu, visiting him during the Patriarch’s recuperation from his Bris Milah. It was the third day following the circumcision, a day which is especially painful, so Hashem was mevaker choleh, visited the sick. Rashi’s source is Chazal, who laud the exalted nature of this mitzvah. While everyone agrees that this mitzvah is meaningful, both to the beneficiary and benefactor, it is also a source of incredible reward to the individual who fulfills it. The Sefer HaMiddos writes concerning the mitzvah of bikur cholim: “In the merit of bikur…