Mark 6:2

And when the sabbath came, he began to teach in the synagogue: and many when they heard him were amazed, saying, Whence hath this man these things? and what is the wisdom given to him, that even such miracles are done by his hands?

Matthew 4:23

And Jesus went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom, and healing every disease and every malady among the people.

Matthew 7:28

And it was so, that when Jesus had concluded all these sayings, the multitudes were exceedingly struck with his teaching:

Mark 1:21-22

And they entered into Capernaum; and immediately on the sabbath going into the synagogue, he taught.

Mark 1:39

And he was preaching in their synagogues, through all Galilee, and casting out devils.

Luke 4:15

And he taught in their synagogues, being universally admired.

Luke 4:31-32

And he came down to Capernaum, a city of Galilee, and was teaching them on the sabbath.

John 6:42

And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? how then saith this man, That I came down from heaven?

John 7:15

And the Jews marvelled, saying, How knoweth this man the scriptures, not being a scholar?

Acts 4:13-14

Attentively regarding then the noble confidence of Peter and John, and perceiving that they were men unlettered, and destitute of education, they were astonished; and they recollected them, that they had been with Jesus.

Treasury of Scripture Knowledge

Summary

And when the sabbath day was come, he began to teach in the synagogue: and many hearing him were astonished, saying, From whence hath this man these things? and what wisdom is this which is given unto him, that even such mighty works are wrought by his hands?

He began

Bible References

He began

Mark 1:21
And they entered into Capernaum; and immediately on the sabbath going into the synagogue, he taught.
Luke 4:15
And he taught in their synagogues, being universally admired.

From

John 6:42
And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? how then saith this man, That I came down from heaven?
John 7:15
And the Jews marvelled, saying, How knoweth this man the scriptures, not being a scholar?
Acts 4:13
Attentively regarding then the noble confidence of Peter and John, and perceiving that they were men unlettered, and destitute of education, they were astonished; and they recollected them, that they had been with Jesus.