Matt 13:52

13:52 every scribe. These teachers were frequently castigated by Jesus (23:13–32), not because of their positions as teachers, but because of their hypocrisy.

trained for the kingdom. The Greek phrase may also be rendered “has become a disciple of the kingdom.” Since this saying immediately follows Jesus’ asking the disciples if they understand, the implication is that the disciples will become teachers, and will, like a hospitable host, share with others the “treasures” they have received—an understanding of both the old redemptive history that points to Christ and the new redemptive acts that mark the presence of the kingdom.