The venerable Hillel had eighty disciples, thirty of whom were worthy that the Shechinah should rest upon them, as it rested upon Moses our Rabbi; and thirty of them were worthy that the sun should stand still (for them), as it did for Joshua the son of Nun; and twenty of them stood midway in worth. The greatest of all of them was Jonathan ben Uzziel, and the least of all was Rabbi Yochanan ben Zacchai. It is said of Rabbi Yochanan ben Zacchai that he did not leave unstudied the Bible, the Mishna, the Gemara, the constitutions, the legends, the minutiae of the law, the niceties of the scribes, the arguments h fortiori and from similar premises, the theory of the change of the moon, the Gematria, the parable of the unripe grapes and