Then said I, Lo, I come: in the volume of the book it is written of me,
I delight to do thy will, O my God: yea, thy law is within my heart.
I have preached righteousness in the great congregation: lo, I have not refrained my lips, O LORD, thou knowest." (Psalms 40:4-9)
Jesus sacrificed His life to save ours because it was the will of God.
"In burnt offerings and sacrifices for sin thou hast had no pleasure. Then said I, Lo, I come (in the volume of the book it is written of me,) to do thy will, O God. Above when he said, Sacrifice and offering and burnt offerings and offering for sin thou wouldest not, neither hadst pleasure therein; which are offered by the law; Then said he, Lo, I come to do thy will, O God. He taketh away the first, that he may establish the second. By the which will we are sanctified through the offering of the body of Jesus Christ once for all." (Hebrews 10:6-10)
He took away the laws of Animal Sacrifce; The Law of Works, to establish the law of faith; Faith in Christ. Now-a-days, if we break any of the Commandments of God, we need only repent, turn away from our unrighteous ways, and believe that Christ is willing and able to forgive and justify us before the Father.
Pharisee meaning he grew up learning all the scriptures concerning the Messiah and is therefore able to go into a much deeper discussion than Peter, John, or James.
Peter also testifies to this fact, and issues the church a proper warning:
"And account that the longsuffering of our Lord is salvation; even as our beloved brother Paul also according to the wisdom given unto him hath written unto you;
As also in all his epistles, speaking in them of these things; in which are some things hard to be understood, which they that are unlearned and unstable wrest, as they do also the other scriptures, unto their own destruction.
This is why Paul is always misquoted and misunderstood. His writings are not for babes in the word. But for those who have been seasoned in the scriptures, those whom can rightfully divide the Word of Truth!