Mark 6:2
And [when] the Sabbath came, he began to teach in the synagogue, and many who heard [him] were amazed, saying, "Where did this man [get] these [things]? And what [is] this wisdom that has been granted to this man, and the miracles such as these performed through his hands?
Matthew 4:23
And he went around through all of Galilee, teaching in their synagogues and proclaiming the good news of the kingdom and healing every disease and every sickness among the people.
Matthew 7:28
And it happened when Jesus finished these words the crowds were amazed at his teaching,
Mark 1:21-22
And they went into Capernaum and immediately on the Sabbath he began to teach in the synagogue.
Mark 1:39
And he went into all Galilee preaching in their synagogues and expelling demons.
Luke 4:15
And he began to teach in their synagogues, [and] was praised by all.
Luke 4:31-32
And he came down to Capernaum, a town of Galilee, and was teaching them on the Sabbath.
John 6:42
and they were saying, "Is this one not Jesus the son of Joseph, whose father and mother we know? How does he now say, 'I have come down from heaven'?"
John 7:15
Then the Jews were astonished, saying, "How does this man {possess knowledge}, [because he] has not been taught?"
Acts 4:13-14
Now [when they] saw the boldness of Peter and John, and understood that they were uneducated and untrained men, they were astonished, and recognized them, that they had been with Jesus.