Because of his promises to Abraham, He loyally stuck with the Israelites until His purposes in connection with them were fulfilled.
בשל הבטחותיו לאברהם, דבק בבני ישראל בנאמנות עד שמטרותיו לגביהם התממשו (‏ דברים ז ’: ​ 7 – 9‏).