24. “Being justified.” After having sinned (as in preceding verse) they were justified “freely,” i.e., gratuitously; because none of the things that precede justification, whether faith or works, merit the grace of justification itself.—(Council of Trent, SS. 6, ch. 8). “By his grace.” This is the formal cause of justification, and must, consequently, be essentially gratuitous; otherwise it would be no grace. “Through the redemption.” The meritorious cause of this justification is the redemption
Romans 3:24