There are three [sorts of people] for whom we should sternly close our hearts: a cruel person who commits vile things; the fool who rushes into ruin in spite of warning; and the ingrate. Ingratitude is the blackest of faults.
Sefer Hasidim
There are three [sorts of people] for whom we should sternly close our hearts: a cruel person who commits vile things; the fool who rushes into ruin in spite of warning; and the ingrate. Ingratitude is the blackest of faults.
Sefer Hasidim