(When Allah showed them unto thee) O Muhammad (in your dream) on the Day of Badr (as few in number, and if He had shown them to thee as many, ye (Muslims) would have faltered) you would have been fearful (and would have quarrelled over the affair) over the question of war. (But Allah saved (you)) He decreed otherwise. (Lo! He knoweth what is in the breasts (of men)) what is in people's heart.