The third part (vv. 17-22) brings closely together professions of righteousness, which sound strangely in Christian ears, and complaints of suffering, and closes with the assertion that these two are cause and effect. The sufferers are a nation of martyrs, and know themselves to be so. This tone is remarkable when the nation is the speaker; for though we find individuals asserting innocence and complaining of undeserved afflictions in many psalms, a declaration of national conformity with the Law is in sharp contradiction both to history and to the uniform tone of prophets. This psalmist asserts not only national freedom from idolatry, but adherence in heart and act to the Covenant. No period before the exile was clear of the taint of idol worship and yet darkened by calamity. We have no record of any events before the persecutions that roused the Maccabean struggle which answer to the martyr cry of ver. 22: "For Thy sake we are killed all the day." It may, indeed, be questioned what is the relation in time of the two facts spoken of in vv. 17-19. Which comes first, the calamity or the steadfastness? Does the psalmist mean, "We are afflicted, and yet we are in affliction true to God," or "We were true to God, and yet are afflicted"? Probably the latter, as in the remainder of this part. "The place of jackals" is apparently the field of defeat referred to in the second part, where obscene creatures would gather to feast on the plundered corpses. The Christian consciousness cannot appropriate the psalmist's asseverations of innocence, and the difference between them and it should not be slurred over. But, on the other hand, his words should not be exaggerated into charges of injustice against God, nor claims of absolute sinlessness. He does feel that present national distresses have not the same origin as past ones had had. There has been no such falling away as to account for them. But he does not arraign God's government. He knows why the miseries have come, and that he and his fellows are martyrs. He does not fling that fact down as an accusation of Providence, but as the foundation of a prayer and as a plea for God's help. The words may sound daring; still they are not blasphemy, but supplication.
The fourth part is importunate prayer. Its frank anthropomorphisms of a sleeping God, forgetting His people, surely need little defence. Sleep withdraws from knowledge of and action on the external world, and hence is attributed to God, when He allows evils to run unchecked. He is said to "awake," or, with another figure, to "arise," as if starting from His throned calm, when by some great act of judgment He smites flourishing evil into nothingness. Injustice is surely done to these cries of the _Ecclesia pressa_ when they are supposed to be in opposition to the other psalmist's word: "He that keepeth Israel slumbers not, nor sleeps." Some commentators call these closing petitions commonplace; and so they are. Extreme need and agony of supplication have other things to think of than originality, and so long as sorrows are so commonplace and like each other, the cries of the sorrowful will be very much alike. God is pleased with well-worn prayers, which have fitted many lips, and is not so fastidious as some critics.