Behold, I say, how they reward us. — Literally, and behold they are requiting us by coming, &c. (Comp. Psalms 83:4-9.)
Cast. — Drive out (Genesis 3:24).
Thy possession. — The Promised Land is so called nowhere else in the Old Testament.
Thou hast given us to inherit. — Made us possess. (Comp. Judges 11:24.)