by R. C. Sproul
"In Romans 3:28 Paul says, "For we maintain that a man is justified by faith apart from works of the Law." In James 2:24 we read, "You see that a man is justified by works, and not by faith alone." If the word justify means the same thing in both cases, we have an irreconcilable contradiction between two biblical writers on an issue that concerns our eternal destinies. Luther called "justification by faith" the article upon which the church stands or falls. The meaning of justification and the question of how it takes place is no mere trifle. Yet Paul says it is by faith apart from works, and James says it is by works and not by faith alone. To make matters more difficult, Paul insists in Romans 4 that Abraham is justified when he believes the promise of God before he is circumcised. He has Abraham justified in Genesis 15. James says, "Was not Abraham our father justified by works, when he offered up Isaac his son on the altar?" (James 2:21). James does not have Abraham justified until Genesis 22.
This question of justification is easily resolved if we examine the possible meanings of the term justify and apply them within the context of the respective passages. The term justify may mean (1) to restore to a state of reconciliation with God those who stand under the judgment of his law or (2) to demonstrate or vindicate.
Jesus says for example, "Wisdom is justified of all her children" (Lk 7:35 KJV). What does he mean? Does he mean that wisdom is restored to fellowship with God and saved from his wrath? Obviously not. The plain meaning of his words is that a wise act produces good fruit. The claim to wisdom is vindicated by the result. A wise decision is shown to be wise by its results. Jesus is speaking in practical terms, not theological terms, when he uses the word justified in this way.
How does Paul use the word in Romans 3? Here, there is no dispute. Paul is clearly speaking about justification in the ultimate theological sense.
What about James? If we examine the context of James, we will see that he is dealing with a different question from Paul. James says in 2:14, "What use is it, my brethren, if a man says he has faith, but he has no works? Can that faith save him?" James is raising a question of what kind of faith is necessary for salvation. He is saying that true faith brings forth works. A faith without works he calls a dead faith, a faith that is not genuine. The point is that people can say they have faith when in fact they have no faith. The claim to faith is vindicated or justified when it is manifested by the fruit of faith, namely works. Abraham is justified or vindicated in our sight by his fruit. In a sense, Abraham's claim to justification is justified by his works. The Reformers understood that when they stated the formula, "Justification is by faith alone, but not by a faith that is alone.""
R. C. Sproul - Knowing Scripture; InterVasity Press, p. 83, 84