The first portion (vv. 1-9) consists of a series of exhortations to trust and patience, accompanied by assurance of consequent blessing. These are preceded and followed by a dehortation from yielding to the temptation of fretting against the prosperity of evil-doers, based upon the assurance of its transitoriness. Thus the positive precepts inculcating the ideal temper to be cultivated are framed in a setting of negatives, inseparable from them. The tendency to murmur at flaunting wrong must be repressed if the disposition of trust is to be cultivated; and, on the other hand, full obedience to the negative precepts is only possible when the positive ones have been obeyed with some degree of completeness. The soul's husbandry must be busied in grubbing up weeds as well as in sowing; but the true way to take away nourishment from the baser is to throw the strength of the soil into growing the nobler crop. "Fret not thyself" (A.V.) is literally, "Heat not thyself," and "Be not envious" is "Do not glow," the root idea being that of becoming fiery red. The one word expresses the kindling emotion, the other its visible sign in the flushed face. Envy, anger, and any other violent and God-forgetting emotion are included. There is nothing in the matter in hand worth getting into a heat about, for the prosperity in question is short-lived. This leading conviction moulds the whole psalm, and, as we have pointed out, is half of the refrain. We look for the other half to accompany it, as usual, and we find it in one rendering of ver. 3, which has fallen into discredit with modern commentators, and to which we shall come presently; but for the moment we may pause to suggest that the picture of the herbage withering as soon as cut, under the fierce heat of the Eastern sun, may stand in connection with the metaphors in ver. 1. Why should we blaze with indignation when so much hotter a glow will dry up the cut grass? Let it wave in brief glory, unmeddled with by us. The scythe and the sunshine will soon make an end. The precept and its reason are not on the highest levels of Christian ethics, but they are unfairly dealt with if taken to mean, Do not envy the wicked man's prosperity, nor wish it were yours, but solace yourself with the assurance of his speedy ruin. What is said is far nobler than that. It is, Do not let the prosperity of unworthy men shake your faith in God's government, nor fling you into an unwholesome heat, for God will sweep away the anomaly in due time.
In regard to the positive precepts, the question arises whether ver. 3 _b_ is command or promise, with which is associated another question as to the translation of the words rendered by the A.V., "Verily thou shalt be fed," and by the R.V., "Follow after faithfulness." The relation of the first and second parts of the subsequent verses is in favour of regarding the clause as promise, but the force of that consideration is somewhat weakened by the non-occurrence in ver. 3 of the copula which introduces the promises of the other verses. Still its omission does not seem sufficient to forbid taking the clause as corresponding with these. The imperative is similarly used as substantially a future in ver. 27: "and dwell for evermore." The fact that in every other place in the psalm where "dwelling in the land" is spoken of it is a promise of the sure results of trust, points to the same sense here, and the juxtaposition of the two ideas in the refrain leads us to expect to find the prediction of ver. 2 followed by its companion there. On the whole, then, to understand ver. 3 _b_ as promise seems best. (So LXX., Ewald, Grätz, etc.) What, then, is the meaning of its last words? If they are a continuation of the promise, they must describe some blessed effect of trust. Two renderings present themselves, one that adopted in the R.V. margin, "Feed securely," and another "Feed on faithfulness" (_i.e._, of God). Hupfeld calls this an "arbitrary and forced" reference of "faithfulness"; but it worthily completes the great promise. The blessed results of trust and active goodness are stable dwelling in the land and nourishment there from a faithful God. The thoughts move within the Old Testament circle, but their substance is eternally true, for they who take God for their portion have a safe abode, and feed their souls on His unalterable adherence to His promises and on the abundance flowing thence.