William Barclay's Daily Study Bible - Romans 4:13-17
4:13-17 It was not through law that there came to Abraham or to his seed the promise that he would inherit the earth, but it came through that right relationship with God which has its origin in faith. If they who are vassals of the law are heirs, then faith is drained of its meaning, and the promise is rendered inoperative; for the law produces wrath, but where law does not exist, neither can transgression exist. So, then, the whole process depends on faith, in order that it may be a matter... read more
Matthew Henry's Complete Commentary - Romans 4:9-17
St. Paul observes in this paragraph when and why Abraham was thus justified; for he has several things to remark upon that. It was before he was circumcised, and before the giving of the law; and there was a reason for both. I. It was before he was circumcised, Rom. 4:10. His faith was counted to him for righteousness while he was in uncircumcision. It was imputed, Gen. 15:6; and he was not circumcised till Gen. 17:1-27. Abraham is expressly said to be justified by faith fourteen years, some... read more