Mark 1:21 in the King James Version
And they went into Capernaum; and straightway on the sabbath day he entered into the synagogue, and taught.
Context
20 Immediately he called them, and they left their father, Zebedee, in the boat with the hired servants, and went after him.
21 They went into Capernaum, and immediately on the Sabbath day he entered into the synagogue and taught.
22 They were astonished at his teaching, for he taught them as having authority, and not as the scribes.