Sin permeates everyone’s body and mind since all, Jews and Gentiles, have sinned (Rom 3:23). And all are children of wrath. In this way the Jews were just like the “rest of mankind.”
After establishing how the Lord is the covenant fulfillment for the psalmist, this psalm turns briefly to the assurances of the person seeking after God. It is the one receiving counsel and instruction (v. 7) from God that is not shaken (v. 8). Our “heart” and “flesh” can rejoice for our God is deliverer of both soul and body.
Barth, Society & the Church
For
The Holy Spirit's Covenant
Contrary to popular opinion, it isn't enough to just "read the Bible" and make a decision. One has to struggle to identify their own paradigms and lens. Everyone has them and it is always hard to break away from them (even if they are correct) to evaluate the Scriptures afresh.
The importance of “and you” here cannot be lost within the context of this epistle. This is the designation of Gentile converts (Eph 1:12; 2:11; 3:1; 4:17). Paul’s discourse here is first and best applied to Gentiles.
Musings on the Heidelberg Catechism
Are we in fact willing to confess that the children of covenant parents can utter these words without lying? If not, then the children should not learn them.