He staggered not - He was not moved, or agitated; he steadily and firmly believed the promise.
Giving glory to God - Giving honor to God by the firmness with which he believed his promises. His conduct was Such as to honor God; that is, to show Abraham’s conviction that he was worthy of implicit confidence and trust. In this way all who believe in the promises of God do honor to him. They bear testimony to him that he is worthy of confidence. They become so many witnesses in his favor; and furnish to their fellow-men evidence that God has a claim on the credence and trust of mankind.