One normal but difficult part of the Christian life is when doubts arise and a person wonders whether he or she is truly a Christian. When Christians struggle with sin, lack strong feelings for the things of God, or find it difficult to pray and read Scripture, doubts creep up. “Am I really a Christian?” There are many good biblical themes to discuss at this point, but one of them I’d like to bring up for now is a wise word from Thomas Brooks about God’s work of grace in the hearts of his people. Brooks’ argument in the following selection basically goes like this: “If a person has even the smallest work of grace in his or her heart, he or she is most definitely a Christian.” Here’s how Brooks put it (I edited it slightly to make it easier to read):
Consider that the least degree of grace—if it is true grace—is sufficient to salvation; for the promises of life and glory, of forgiveness and salvation, of everlasting happiness and blessedness, are not made to high degrees of grace—but to the reality and truth of grace in the heart. The promises are not made to faith in a person’s triumph—but to faith in God’s truth. Therefore the sense and evidence of the least grace, yes, of the least degree of the least grace, may afford some measure of assurance. Grace is the fruit of the Spirit, Gal. 5:22. And the tree is known by his fruit, Mat. 12:33; Mark 16:16; John 3:16, 36; Mat. 5:1; John 6:40.
I do not say that weak grace will afford a strong assurance, or a full assurance, for strong assurance rather arises from strength of grace than from truth of grace in the heart—but I do say, weak grace may give some assurance. An eminent minister, who was a famous instrument of converting many to God, was accustomed to say, that for his own part, he had no other evidence in himself of being in the state of grace, than that he was sensible of his spiritual deadness! Oh, that all weak Christians would seriously lay this to heart, for it may serve to relieve them against many fears, doubts, discouragements, and jealousies, which do much disturb the peace and comfort of their precious souls.
Though the least measures of grace cannot satisfy a sincere Christian—yet they ought to quiet his conscience, and cheer his heart, and confirm his judgment of his saving interest in Christ. The least measure of grace is like a diamond, very little in bulk—but of high price and mighty value. Therefore we are to improve it for our comfort and encouragement. A goldsmith makes reckoning of the least filings of gold, and so should we of the least measures of grace in our hearts. A man may read the king’s image upon a silver penny, as well as upon a larger piece of coin. The least grain of grace bears the image of God upon it; and why then should it not evidence the goodness and happiness of a Christian’s estate? Slight not the lowest evidences of grace!
Again, and in other words, just like a tiny faith is true and saving faith, so a “small” work of grace in the heart is true grace, and proof that a person is a Christian.
You can find the above section in its entirety here: Thomas Brooks, A Cabinet of Jewels, chapter I.VI. It’s also found in volume three of Brooks’ Works (p. 259-60).
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