James 2:9

3. How, then, I beseech you, are we to understand the words: “Whosoever shall keep the whole law, and yet offend in one point, he is guilty of all”? Does this affirm that the person who shall have committed theft, nay, who even shall have said to the rich man, “Sit thou here” and to the poor man, “Stand thou there,” is guilty of homicide, and adultery, and sacrilege? And if he is not so, how can it be said that a person who has offended in one point has become guilty of all? Or are the things which the apostle said concerning the rich man and the poor man not to be reckoned among those things in one of which if any man offend he becomes guilty of all? But we must remember whence that sentence is taken, and what goes before it, and in what connection it occurs. “My brethren,” he says, “have not the faith of our Lord Jesus Christ, the Lord of Glory, with respect of persons. …

19. The law of liberty, therefore, the law of love, is that of which he says: “If ye fulfil the royal law according to the Scripture, Thou shalt love thy neighbour as thyself, ye do well: but if ye have respect to persons, ye commit sin, and are convinced of the law as transgressors. And then (after the difficult sentence, “Whosoever shall keep the whole law, and yet offend in one point, he is guilty of all,” concerning which I have with sufficient fulness stated my opinion), making mention of the same law of liberty, he says: “So speak ye, and so do, as they that shall be judged by the law of liberty.” And as he knew by experience what he had said a little before, “in many things we offend all,” he suggests a sovereign remedy, to be applied, as it were day by day, to those less serious but real wounds which the soul suffers day by day, for he says: “He shall have judgment without mercy …