John Gills Exposition of the Bible Commentary - Psalms 40:9
I have preached righteousness in the great congregation ,.... Not the righteousness which the law requires men to do; but the righteousness which Christ himself wrought out, for the justification of them that believe; this he was a preacher, as well as the author of, and is part of the glad tidings he was anointed to preach, Isaiah 61:1 ; and the word F14 בשרתי ευηγγελισαμην Sept. "evangelizavi", Schmidt, Michaelis; "I have preached the glad tidings of justice", Ainsworth. here... read more
Matthew Henry's Complete Commentary - Psalms 40:6-10
The psalmist, being struck with amazement at the wonderful works that God had done for his people, is strangely carried out here to foretel that work of wonder which excels all the rest and is the foundation and fountain of all, that of our redemption by our Lord Jesus Christ. God's thoughts, which were to us-ward concerning that work, were the most curious, the most copious, the most gracious, and therefore to be most admired. This paragraph is quoted by the apostle (Heb. 10:5-7) and applied... read more