The following was excerpted from Samuel Rutherford's The Trial and Triumph of Faith, Sermon 20. Enjoy!
If in justification, sins be blotted out, cast in the depths of the sea, and removed, as if they never had been, the state of justification must be a condition of sound blessedness, the most desirable life in the world, even as David also described the blessedness of the man unto whom God imputeth righteousness without works. "Blessed are they whose iniquities are forgiven, and whose sins are covered." (Rom. iv, 6, 7) For, consider,
1. What an act of grace it is in a prince, to take a condemned malefactor from under the axe, the rack, the wheel, and so many hours' torture, before he end his miserable life. Or,
2. Suppose he were condemned to be tortured leisurely, and his life continued and prorogated, that bones, sinews, lungs, joints, might be pained for twenty or thirty years, so much of his flesh cut off every day, such a flesh restored, that he might, for thirty years' space, every day be dying, and yet never die. Or,
3. Imagine a man could be kept alive in torment in this case, from sleep, ease, food, clothing, five hundred years, or a thousand years, and boiling all the time in a cauldron full of melted lead; and say the soul could dwell in a body under the rack, the wheel, the lashes and scourges of scorpions, and whips of iron, the man bleeding, crying, in the act of dying for pain, gnawing his tongue for ten hundred years: Now suppose a mighty prince, by an act of free grace, could and would deliver this man from all this pain and torture, and give him a life in perfect health, in ten hundred paradises of joy, pleasure, worldly happiness, and a day all the thousand years without a night, a summer all this time, without cloud, storm, winter; all the honour, acclamations, love, and service of a world of men and angels, -- clothe this man with all the most complete delights, perfections, and virtues of mind and body -- set him ten thousand degrees of elevation, to the top of all imaginable happiness, above Solomon in his highest royalty, or Adam in his first innocency, or angels in their most transcendent glory and happiness: Yea,
4. In our conception, we may extend the former misery and pain, and all this happiness, to the length of ten thousand years; -- this should be thought incomparably the highest act of grace and love that any creature could extend to his fellow-creature. And yet, all this were but a shadow of grace, in comparison of the love and rich grace of God in Christ, in the justification of a sinner.