And he that searches the hearts knows what is the mind of the Spirit, because he makes intercession for the saints according to the will of God.
Read Chapter 8
Ambrosiaster
AD 400
It is clear that the prayer of every spirit is known to God, from whom nothing is secret or hidden. How much more then should [the Father] know what the Holy Spirit, who is the same essence as himself, is saying? Commentary on Paul’s Epistles.
Paul is here describing the spiritual man who has the gift of prayer. He does not inform God as if God were ignorant but intercedes so that we may learn what it is that we should pray for and to ask God to give us things which are pleasing to him. … These prayers are heard, because the man who prays them is doing so “according to the will of God.”
You see that all the good promptings which bring us to repentance result from the activity of the Spirit, and pure prayer, which brings all these good promptings to completion, is also stirred up in our soul as the result of the Spirit’s activity. He too, in a hidden way, initially arouses us to groans at the memory of our sins. .