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Why does the Torah (תורה) emphasize that Avrohom washed guests' feet after they entered, while Lot did so beforehand? The difference reflects Avrohom's transformation after bris milah. Pre-circumcision, Avrohom prioritized hospitality over stringency regarding idol worship traces. Post-bris milah, his covenant created an absolute separation from anything associated with idol worship—the same principle that kept Shevet Levi free from avodah zarah throughout Jewish history.
The shiur examines a subtle textual difference in Parshas Vayeira: when angels visit Avrohom, he invites them to wash their feet and then rest; when they visit Lot, he invites them in first, then to wash their feet. Rashi (רש"י) explains that Avrohom suspected his guests were Arabs who worshiped the dust on their feet, so he had them wash before entering to avoid bringing even a trace of idol worship into his home. The question arises: why did Lot, who meticulously copied every other aspect of Avrohom's hospitality—even surpassing him in some ways and risking his life in Sodom to host guests—not adopt this stringency? The answer reveals something fundamental about Avrohom rather than Lot. The Torah (תורה) is teaching that Avrohom himself did not practice this stringency until after his circumcision. Since Lot separated from Avrohom years before the bris milah, he only witnessed and learned Avrohom's pre-circumcision approach. Before bris milah, Avrohom held that welcoming guests comfortably took precedence over stringency regarding traces of idol worship. He reasoned that requiring foot-washing before entry might discourage potential guests from coming in at all. Once circumcised, however, Avrohom's relationship with God changed fundamentally, making even indirect connection to idol worship intolerable.
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Vayeira 18:4-5, 19:2
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How could Avrohom keep the entire Torah before it was given, including rabbinical laws? The key insight is that mitzvos represent eternal spiritual realities, not just historical commemorations, so Avrohom could access these truths through his genuine search. His entire 172-year journey—even his early idolatry—retroactively became service of God once he reached ultimate truth.
