C. J. Mahaney: Never be content with your grasp of the gospel. The gospel is life-permeating, world-altering, universe-changing truth. It has more facets than any diamond. Its depths man will never exhaust.
Tim Keller: The gospel of justifying faith means that while Christians are, in themselves still sinful and sinning, yet in Christ, in God’s sight, they are accepted and righteous. So we can say that we are more wicked than we ever dared believe, but more loved and accepted in Christ than we ever dared hope — at the very same time. This creates a radical new dynamic for personal growth. It means that the more you see your own flaws and sins, the more precious, electrifying, and amazing God’s grace appears to you. But on the other hand, the more aware you are of God’s grace and acceptance in Christ, the more able you are to drop your denials and self-defenses and admit the true dimensions and character of your sin."
If you know what He has done at infinite cost to himself—He’s put you into a relationship so that you’ll never be rejected by Him—then your motivation when you sin is to go get Him. You want fellowship with Him. When the thing that most assures you is the thing that most convicts you, you’ll be okay because when you’re convicted of sin in a gospel way it drives you toward God.
Without the gospel we hate ourselves instead of our sin. Without the gospel we’re motivated through all sorts of awful fear and pride to change and it doesn’t really change our hearts; it just restrains our hearts.
Milton Vincent: Preaching the gospel to myself each day mounts a powerful assault against my pride and serves to establish humility in its place. Nothing suffocates my pride more than daily reminders regarding the glory of my God, the gravity of my sins, and the crucifixion of God’s own Son in my place. Also, the gracious love of God, lavished on me because of Christ’s death, is always humbling to remember, especially when viewed against the backdrop of the Hell I deserve.
John Piper: The ultimate good of the gospel is seeing and savoring the beauty and value of God. God’s wrath and our sin obstruct that vision and that pleasure. You can’t see and savor God as supremely satisfying while you are full of rebellion against Him and He is full of wrath against you. The removal of this wrath and this rebellion is what the gospel is for. The ultimate aim of the gospel is the display of God’s glory and the removal of every obstacle to our seeing it and savoring it as our highest treasure. “Behold Your God!” is the most gracious command and the best gift of the gospel. If we do not see Him and savor Him as our greatest fortune, we have not obeyed or believed the gospel.
John Owen: On Christ’s glory I would fix all my thoughts and desires, and the more I see of the glory of Christ, the more the painted beauties of this world will wither in my eyes and I will be more and more crucified to this world. It will become to me like something dead and putrid, impossible for me to enjoy.