Haggadah in Jewish Bible Study

Christian Biblical interpreters adopted and adapted the interpretative principles and methods of their Jewish and Greek teachers and neighbors whenever and insofar as they judged them to be compatible with the Biblical text. One method of Scriptural interpretation and application in Judaism was that of Haggadah. Jesus used a form of this method when in Matt. 12:1-7 He added an interpretative story (Haggadah) about David and his soldiers to the Biblical principle that Yahweh desires mercy and not sacrifice