Verse 13. - Verily, I have cleansed my heart in vain, and washed my hands in innocency. Such was the psalmist's first instinctive feeling, when he noticed the prosperity of the wicked. The Prayer book Version inserts, between this verse and the last, the words, "and I said;" which is correct, though somewhat free, exegesis. Compare with the expression, "I have washed my hands in innocency," Job's remarkable words, "If I wash myself with snow, and make my hands never so clean" (Job 9:30).

73:1-14 The psalmist was strongly tempted to envy the prosperity of the wicked; a common temptation, which has tried the graces of many saints. But he lays down the great principle by which he resolved to abide. It is the goodness of God. This is a truth which cannot be shaken. Good thoughts of God will fortify against Satan's temptations. The faith even of strong believers may be sorely shaken, and ready to fail. There are storms that will try the firmest anchors. Foolish and wicked people have sometimes a great share of outward prosperity. They seem to have the least share of the troubles of this life; and they seem to have the greatest share of its comforts. They live without the fear of God, yet they prosper, and get on in the world. Wicked men often spend their lives without much sickness, and end them without great pain; while many godly persons scarcely know what health is, and die with great sufferings. Often the wicked are not frightened, either by the remembrance of their sins, or the prospect of their misery, but they die without terror. We cannot judge men's state beyond death, by what passes at their death. He looked abroad, and saw many of God's people greatly at a loss. Because the wicked are so very daring, therefore his people return hither; they know not what to say to it, and the rather, because they drink deep of the bitter cup of affliction. He spoke feelingly when he spoke of his own troubles; there is no disputing against sense, except by faith. From all this arose a strong temptation to cast off religion. But let us learn that the true course of sanctification consists in cleansing a man from all pollution both of soul and body. The heart is cleansed by the blood of Christ laid hold upon by faith; and by the begun works of the Lord's Spirit, manifested in the hearty resolution, purpose, and study of holiness, and a blameless course of life and actions, the hands are cleansed. It is not in vain to serve God and keep his ordinances.Verily, I have cleansed my heart in vain,.... Which supposes that his heart had been unclean, as every man's is, and which appears by what is in it, and by what comes out of it; that it was now cleansed, not in an absolute and legal sense, as if it was wholly free from sin, for this no man can say; but in an evangelical sense, being purified by faith in the blood of Christ; that he had himself some concern in the cleansing of his heart, which seems to be contrary to Proverbs 20:9 and besides, this is the Lord's own work, Psalm 51:10 wherefore this may be considered as a wrong and rash expression of his; for as he was wrong in one part of it, its being cleansed in vain, so he might be in the other, in ascribing it to himself; though it may be allowed, consistent with what is before observed, that a believer has a concern in the cleansing of his heart; for, being convinced of the impurity of it, he owns and laments it before the Lord; and, seeing the fountain of the Redeemer's blood opened, he applies to it, and to him for cleansing; and expresses a love unto, a great and studious concern for purity of heart as well as life; and, under the influence of divine grace, is enabled to keep a watch over it, whereby, through the same grace, it is preserved from much pollution; and by fresh application to the blood of Christ, is cleansed from what it daily contracts:

and washed my hands in innocency: that is, "in vain", as before; which denotes the performance of good works, a course of holy life and conversation, which when right springs from purity of heart; See Gill on Psalm 26:6, now the psalmist under temptation concluded that all his religion and devotion were in vain, all his hearing, and reading, and attending on ordinances, all his concern for purity of heart and life; since those who showed no regard to these things prospered in the world, and increased in riches, abounded in ease and plenty, and seemed to be rather the favourites of heaven than religious men; and this temptation was strengthened by the following observation.