Mark 6:2

And when the sabbath day was come, he began to teach in the synagogue; and many hearing him were astonished, saying, From where has this man these things? and what wisdom is this which is given unto him and such mighty works that are wrought 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 sickness and every bodily weakness among the people.

Matthew 7:28

And it came to pass, when Jesus had ended these words, the multitude marvelled at his doctrine;

Mark 1:21-22

And they entered into Capernaum, and straightway on the sabbath days he entered into the synagogue and taught.

Mark 1:39

And he preached in their synagogues throughout all Galilee and cast out devils.

Luke 4:15

And he taught in their synagogues, being glorified of all.

Luke 4:31-32

And he went down to Capernaum, a city of Galilee, and taught them on the sabbath days.

John 6:42

And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? How is it then that he says, I descended from heaven?

John 7:15

And the Jews marvelled, saying, How does this man know letters, having never learned?

Acts 4:13-14

Now when they saw the boldness of Peter and John and perceived that they were unlearned and ignorant men, they marvelled, and they took knowledge of 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 straightway on the sabbath days he entered into the synagogue and taught.
Luke 4:15
And he taught in their synagogues, being glorified of all.

From

John 6:42
And they said, Is not this Jesus, the son of Joseph, whose father and mother we know? How is it then that he says, I descended from heaven?
John 7:15
And the Jews marvelled, saying, How does this man know letters, having never learned?
Acts 4:13
Now when they saw the boldness of Peter and John and perceived that they were unlearned and ignorant men, they marvelled, and they took knowledge of them that they had been with Jesus.