 In the Sifre, the Sages taught that the time for the removal of tithes specified in was the closing Festival day of Passover in the fourth and seventh years.A Midrash interpreted the command of to give "to the Levite, to the stranger, to the orphan, and to the widow" in the light of which says, "Rob not the weak, because he is weak, neither crush the poor in the gate.