expounding

And when they had gone a day’s journey, they sought him among their kinsfolk, and when they found him not, they were troubled, and returned again to the city seeking him. And after the third day they found him in the temple sitting in the midst of the doctors and hearing and asking them questions . And all men paid heed to him and marvelled how that being a young child he put to silence the elders and teachers of the people, expounding the heads of the law and the parables of the prophets.