(8) Behold, we will pass over.--The steep crag upon which the Philistine outpost was entrenched was across a deep ravine, or chasm, which separated the hostile armies.
(9) If they say thus unto us.--He longed for a supernatural sign which should confirm him in his conviction, that the prompting which urged him to this deed of extreme daring was indeed a voice from heaven.
do all that is in thine heart; whatever is thy pleasure, that thou hast a mind to do, that is upon thy heart, and thou art desirous of, and strongly inclined and affected to:
turn thee; which way thou wilt, towards the garrison of the Philistines, or elsewhere:
behold, I am with thee, according to thy heart; I will go with thee wherever thou goest, and do whatsoever thou wouldest have me to do; I am at thy command, and according to thy wish and desire, and in all things subject to thy will; I am as thine own heart.