And when the Sabbath day came, He began teaching in the synagogue and many who heard Him were amazed, and asked [such questions as], "Where did this man get these things [i.e., knowledge, miracles, etc.]?" and "What kind of wisdom has been given to him?" and "What do these supernatural powers he performs mean?
Jesus went all over Galilee teaching in the [Jewish] synagogues and preaching the good news of the [coming, see verse 17] kingdom, and healing all kinds of disease and sickness among the people.
And so it happened when Jesus had finished [speaking] these words, the crowds were amazed at his teaching,
So, they went to Capernaum [Note: This was a city in Galilee that later became Jesus' headquarters while in Galilee. See verse
So, Jesus went into the [Jewish] synagogues throughout all Galilee, preaching [the good news about the coming kingdom, verses 14-15] and driving out evil spirits.
Then He went down to the Galilean city of Capernaum and taught the Jews on the Sabbath day.
And they said, "Is not this Jesus, the son of Joseph? Do we not know his father and mother? Then how can he say, 'I have come down from heaven'?"
Now the Jewish authorities were amazed, saying, "How can this man know so much, since he has never been educated?"
Now when these men saw how boldly Peter and John spoke, and perceived that they were uneducated and [even] ignorant men, they were quite surprised; then they recognized that they had been with Jesus.