What is the main conflict in The Spinoza of Market Street by Isaac Bashevis Singer?

The Spinoza of Market Street many themes that are typical of Singer's short stories, particularly the conflict of the modern Jewish thinker in the context of traditional orthodox Chassidic Jewish religion and culture. The protagonist's ultimate experience of redemption through physical passion is ironically the event that brings him back into the fold of his Jewish community, having defied the dictates of Spinoza's rationalist philosophy.