6:45 they will all be taught by God. In its original context Is. 54:13 is a promise of final redemption. Jesus indicates in the next sentence that those who participate in this redemption are those who come to Him, thereby identifying Himself as the One in whom that final redemption comes.

Everyone who has heard . . . comes to me. Whoever wishes may come, and they come because they have “learned from the Father,” who draws them (v. 44).