Offer the sacrifices of righteousness - Offer righteous sacrifices; that is, sacrifices prompted by right motives, and in accordance with the prescriptions in the law of God. This appears to be addressed also to those who in Psalms 4:2 are called “sons of men;” that is, those who were arrayed against the psalmist. According to the common opinion this psalm was composed by David on occasion of his being driven from his throne and kingdom; and, of course, Zion, the ark, and the tabernacle, were in the hands of his enemies. The exhortation here may be, either that, as his enemies were now in possession of the usual seat of public worship, they would conduct the worship of God by keeping up the regular daily sacrifice; or, more probably, it means that in view of their sins, particularly in this rebellion, and as the result of the calm reflection to which he had exhorted them in Psalms 4:4, they should now manifest their repentance, and their purpose to turn to God, by presenting to him an appropriate sacrifice. They were sinners. They were engaged in an unholy cause. He exhorts them to pause, to reflect, to turn to God, and to bring a sacrifice for their sins, that their guilt might be blotted out.
And put your trust in the Lord - That is, turn from your evil ways, and confide in God in all his arrangements, and submit to him. Compare Psalms 2:12.