Ver. 57 goes to the root of the matter in setting forth the resolve of obedience as the result of the consciousness of possessing God. He who feels, in his own happy heart, that Jehovah is his portion will be moved thereby to vow to keep His words. This psalmist had learned the evangelical lesson that he did not win God by keeping the Law, but that he was moved to keep the Law because he had won God; and he had also learned the companion truth, that the way to retain that possession is obedience.
Ver. 58 corresponds in some measure to ver. 57, but the order of clauses is inverted, _a_ stating the psalmist's prayer, as ver. 57_b_ did his resolve, and _b_ building on his cry the hope that God would be truly his portion and bestow His favour on him. But the true ground of our hope is not our most whole-hearted prayers, but God's promise. The following five verses change from the key of petition into that of profession of obedience to, and delight in, the Law. The fruit of wise consideration of one's conduct is willing acceptance of God's law as His witness of what is right for us. The only "ways" which sober consideration will approve are those marked out in mercy by Him, and meditation on conduct is worthless if it does not issue in turning our feet into these. Without such meditation we shall wander on bye-ways and lose ourselves. Want of thought ruins men (ver. 59). But such turning of our feet to the right road has many foes, and chief among them is lingering delay. Therefore resolve must never be let cool, but be swiftly carried into action (ver. 60). The world is full of snares, and they lie thick round our feet whenever these are turned towards God's ways. The only means of keeping clear of them is to fix heart and mind on God's law. Then we shall be able to pick our steps among traps and pits (ver. 61). Physical weariness limits obedience, and needful sleep relaxes nervous tension, so that many a strenuous worker and noble aspirant falls beneath his daylight self in wakeful night seasons. Blessed they who in the night see visions of God and meditate on His law, not on earthly vanities or aims (ver. 62). Society has its temptations as solitude has. The man whose heart has fed in secret on God and His law will naturally gravitate towards like-minded people. Our relation to God and His uttered will should determine our affinities with men, and it is a bad sign when natural impulses do not draw us to those who fear God. Two men who have that fear in common are liker each other in their deepest selves, however different they may be in other respects, than either of them is to those to whom he is likest in surface characteristics and unlike in this supreme trait (ver. 63). One pathetic petition closes the section. In ver. 19 the psalmist had based his prayer for illumination on his being a stranger on earth; here he grounds it on the plenitude of God's loving-kindness, which floods the world. It is the same plea in another form. All creatures bask in the light of God's love, which falls on each in a manner appropriate to its needs. Man's supreme need is the knowledge of God's statutes; therefore, the same all-embracing Mercy, which cares for these happy, careless creatures, will not be implored in vain, to satisfy his nobler and more pressing want. All beings get their respective boons unasked; but the pre-eminence of ours is partly seen in this, that it cannot be given without the co-operation of our desire. It will be given wherever that condition is fulfilled (ver. 64).
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65 Good hast Thou done with Thy servant, Jehovah, according to Thy word. 66 Good judgment and knowledge teach me, For I have believed Thy commandments. 67 Before I was afflicted, I went astray, But now have I observed Thy saying. 68 Good art Thou and doing good, Teach me Thy statutes. 69 The proud have trumped up a lie against me, I, I with all [my] heart will keep Thy precepts. 70 Gross as fat is their heart, I, I delight in Thy law. 71 Good for me was it that I was afflicted, That I might learn Thy statutes. 72 Good for me is the law of Thy mouth, Above thousands of gold and silver.