Psalms 33 — Jamieson–Fausset–Brown
33:1–3
1-3. The sentiment falls in with Psa 32:11 (compare 1Co 14:15). The instruments (Psa 92:3; 144:9) do not exclude the voice.
33:4–9
4-9. Reasons for praise: first, God's truth, faithfulness, and mercy, generally; then, His creative power which all must honor.
33:10–11
10-11. In God's providence He thwarts men's purposes and executes His own. heathen--literally, "nations."
33:12–19
12-19. The inference from the foregoing in Psa 33:12 is illustrated by God's special providence, underlying which is His minute knowledge of all men.
33:20–22
20-22. waiteth--in earnest expectation.