What do people say about a person who learns Scripture, serves Torah scholars, yet his business dealings are not performed with honesty and faith, and he does not speak pleasantly? “Woe to so-and-so who studied Torah. Woe to his father who taught him Torah! Woe to his teacher who taught him Torah! See how ruinous his deeds are; see how ugly his ways are.” About such a person it says (Yechezkel 36), “When they will say about them they are the nation of Hashem, but they have left His land.” (Yoma 86a; Rambam, Hilchos Yesodei HaTorah 5,
