Lucas 2

48 And, having seen him, they were amazed, and his mother said unto him, 'Child, why did you thus to us? lo, your father and I, sorrowing, were seeking you.'

49 And he said unto them, 'Whyis it that you were seeking me? did you not know that in the things of my Father it is necessary for me to be?'

50 and they did not understand the saying that he spake to them,

51 and he went down with them, and came to Nazareth, and he was subject to them, and his mother was keeping all these sayings in her heart,