Vv. 3, 4, are the second stage. A dark fear shadows the singer's soul, and is swept away by a joyful assurance. The word rendered above "mark" is literally _keep_ or _watch_, as in ver. 6, and here seems to mean to _take account of_, or _retain_ in remembrance, in order to punish. If God should take man's sin into account in His dispositions and dealings, "O Lord, who shall stand?" No man could sustain that righteous judgment. He must go down before it like a flimsy hut before a whirlwind, or a weak enemy before a fierce charge. That thought comes to the psalmist like a blast of icy air from the north, and threatens to chill his hope to death and to blow his cry back into his throat. But its very hypothetical form holds a negation concealed in it. Such an implied negative is needed in order to explain the "for" of ver. 4. The singer springs, as it were, to that confidence by a rebound from the other darker thought. We must have tremblingly entertained the contrary dread possibility, before we can experience the relief and gladness of its counter-truth. The word rendered "forgiveness" is a late form, being found only in two other late passages (Neh. ix. 17; Dan. ix. 9). It literally means _cutting off_, and so suggests the merciful surgery by which the cancerous tumour is taken out of the soul. Such forgiveness is "with God," inherent in His nature. And that forgiveness lies at the root of true godliness. No man reverences, loves, and draws near to God so rapturously and so humbly as he who has made experience of His pardoning mercy, lifting a soul from its abysses of sin and misery. Therefore the psalmist, taught by what pardon has done for him in drawing him lovingly near to God, declares that its great purpose is "that Thou mayest be feared," and that not only by the recipient, but by beholders. Strangely enough, many commentators have found a difficulty in this idea, which seems sun-clear to those whose own history explains it to them. Grätz, for instance, calls it "completely unintelligible." It has been very intelligible to many a penitent who has been by pardon transformed into a reverent lover of God.
The next stage in the ascent from the depths is in vv. 5, 6, which breathe peaceful, patient hope. It may be doubtful whether the psalmist means to represent that attitude of expectance as prior to and securing forgiveness or as consequent upon it. The latter seems the more probable. A soul which has received God's forgiveness is thereby led into tranquil, continuous, ever-rewarded waiting on Him, and hope of new gifts springs ever fresh in it. Such a soul sits quietly at His feet, trusting to His love, and looking for light and all else needed, to flow from Him. The singleness of the object of devout hope, the yearning which is not impatience, characterising that hope at its noblest, are beautifully painted in the simile of the watchers for morning. As they who have outwatched the long night look eagerly to the flush that creeps up in the east, telling that their vigil is past, and heralding the stir and life of a new day with its wakening birds and fresh morning airs, so this singer's eyes had turned to God, and to Him only. Ver. 6 does not absolutely require the supplement "hopes." It may read simply "My soul is towards Jehovah"; and that translation gives still more emphatically the notion of complete turning of the whole being to God. Consciousness of sin was as a dark night; forgiveness flushed the Eastern heaven with prophetic twilight. So the psalmist waits for the light, and his soul is one aspiration towards God.
In vv. 7, 8, the psalmist becomes an evangelist, inviting Israel to unite in his hope, that they may share in his pardon. In the depths he was alone, and felt as if the only beings in the universe were God and himself. The consciousness of sin isolates, and the sense of forgiveness unites. Whoever has known that "with Jehovah is pardon" is impelled thereby to invite others to learn the same lesson in the same sweet way. The psalmist has a broad gospel to preach, the generalisation of his own history. He had said in ver. 4 that "with Jehovah is forgiveness" (lit. _the_ forgiveness, possibly meaning _the needed forgiveness_), and he thereby had animated his own hope. Now he repeats the form of expression, only that he substitutes for "forgiveness" the loving-kindness which is its spring, and the redemption which is its result; and these he presses upon his fellows as reasons and encouragements for their hope. It is "abundant redemption," or "multiplied," as the word might be rendered. "Seventy times seven"--the perfect numbers seven and ten being multiplied together and their sum increased sevenfold--make a numerical symbol for the unfailing pardons which we are to bestow; and the sum of the Divine pardon is surely greater than that of the human. God's forgiving grace is mightier than all sins, and able to conquer them all.