24:44 must be fulfilled. Every promise of God concerning the person and work of Christ must be fulfilled, either at His first coming or His second coming. “The Scripture cannot be broken,” Jesus has assured us (John 10:35).

24:44 the psalms. This threefold division actually embraces the entire Old Testament canon. Another way of expressing this would be the historical writings, the poetical writings, and the prophetical writings. All are divinely inspired and inerrant in their very words.

24:45 their understanding. The Bible is not like any other book. While it is easy enough to be understood by the sincere and diligent believer, it is often incomprehensible foolishness to the unbeliever, for “the natural man receiveth not the things of the Spirit of God:…they are spiritually discerned” (I Corinthians 2:14). When Christ, by His indwelling Holy Spirit, opens our understanding, only then do we “understand the scriptures.”