His eternal plan, for He is always faithful to fulfill His promises. In Old Testament times, it was common for a person to make an oath by invoking the power of something or someone greater than himself or herself. For the Jewish people, that higher power was God (cf. Gen. 14:22; 21:23-24; 24:3). If someone made such an oath, he or she was responsible to keep it. God, however, does not need to make such an oath. He is Truth itself, and there is no higher power. His Word is for us