Psalms 138 — Jamieson–Fausset–Brown
138:1
1. I will praise thee with my whole heart--(Compare Psa 9:1). before the gods--whether angels (Psa 8:5); or princes (Ex 21:6; Psa 82:6); or idols (Psa 97:7); denotes a readiness to worship the true God alone, and a contempt of all other objects of worship.
138:2
2. (Compare Psa 5:7). thy word above all thy name--that is, God's promise (2Sa 7:12-16), sustained by His mercy and truth, exceeded all other manifestations of Himself as subject of praise.
138:3–5
3-5. That promise, as an answer to his prayers in distress, revived and strengthened his faith; and, as the basis of other revelations of the Messiah, it will be the occasion of praise by all who hear and receive it (Psa 68:29, 31; Is 4:3).
138:6–7
6-7. On this general principle of God's government (Is 2:11; 57:15; 66:2), he relies for God's favor in saving him, and overthrowing his enemies. knoweth afar off--their ways and deserts (Psa 1:6).
138:8
8. God will fulfil His promise.