ויצמד ישראל לבעל פעור ויחר אף ד' בישראל
Bilaam was well aware that the moral code of the Jewish People is the foundation of their sanctity. Hashem does not tolerate immorality. In fact (as noted by the Rambam in Moreh Nevuchim 1:36), the Torah speaks of Hashem’s anger as af, wrath, only when it is provoked by immorality. Thus, Bilaam counseled Balak to take down the Jewish people by enticing them to act licentiously. The laws of morality are introduced in Sefer Vayikra 18. Surprisingly, this chapter is read in shul on Yom Kippur – the holiest day of the year. Is no other section of the Torah…