They were stunned at his teaching, because his word carried authority.
In context
30But he walked right through the middle of them and went on his way. 31He went down to Capernaum, a town in Galilee, and he taught them on the Sabbath. 32They were stunned at his teaching, because his word carried authority. 33In the synagogue there was a man possessed by the spirit of an unclean demon, and he screamed at the top of his voice, 34“Enough! What do you want with us, Jesus the Nazarene? Have you come to destroy us? I know who you are: the Holy One of God!”
