It was taught in a Baraita that Issi ben Judah said that there are five verses in the Torah whose meaning they could not decide, including , which one can read, "And in their self-will they crippled oxen. Cursed be their anger, for it was fierce," or one can read, "And in their self-will they crippled the cursed oxen. Their anger was fierce." (In the latter reading, "the cursed oxen" refers to Shechem, a descendant of Canaan, whom Noah cursed in ).