John Gills Exposition of the Bible Commentary - Psalms 39:9
I was dumb, I opened not my mouth ,.... This refers either to his former silence, before he broke it, Psalm 39:1 , or to what he after that came into again, when he had seen the folly of his impatience, the frailty of his life, the vanity of man, and all human affairs, and had been directed to place his hope and confidence in the Lord, Psalm 39:5 ; or to the present frame of his mind, and his future conduct, he had resolved upon; and may be rendered, "I am dumb"; or "will be dumb, and... read more
Matthew Henry's Complete Commentary - Psalms 39:7-13
The psalmist, having meditated on the shortness and uncertainty of life, and the vanity and vexation of spirit that attend all the comforts of life, here, in these verses, turns his eyes and heart heaven-ward. When there is no solid satisfaction to be had in the creature it is to be found in God, and in communion with him; and to him we should be driven by our disappointments in the world. David here expresses, I. His dependence on God, Ps. 39:7. Seeing all is vanity, and man himself is so, 1.... read more