Psalms 50:14
8-15. However scrupulous in external worship, it was offered as if they conferred an obligation in giving God His own, and with a degrading view of Him as needing it [Ps 50:9-13]. Reproving them for such foolish and blasphemous notions, He teaches them to offer, or literally, "sacrifice," thanksgiving, and pay, or perform, their vows—that is, to bring, with the external symbolical service, the homage of the heart, and faith, penitence, and love. To this is added an invitation to seek, and a promise to afford, all needed help in trouble.
Psalms 50:23
23. offereth praise— (Ps 50:14), so that the external worship is a true index of the heart.
ordereth . . . aright—acts in a straight, right manner, opposed to turning aside (Ps 25:5). In such, pure worship and a pure life evince their true piety, and they will enjoy God's presence and favor. Psalms 69:30-31
30, 31. Spiritual are better than mere material offerings (Ps 40:6; 50:8); hence a promise of the former, and rather contemptuous terms are used of the latter.
Psalms 107:22
17-22. Whether the same or not, this exigency illustrates that dispensation of God according to which sin brings its own punishment.
are afflicted—literally, "afflict themselves," that is, bring on disease, denoted by loathing of food, and drawing Psalms 116:17
17-19. An ampler declaration of his purpose, designating the place, the Lord's house, or earthly residence in Jerusalem.