Acts 8:10-11

8:10 All the people, from the least to the greatest, paid close attention to him, saying, “This man is the power of God that is called ‘Great.’” 8:11 And they paid close attention to him because he had amazed them for a long time with his magic.

Acts 8:13

8:13 Even Simon himself believed, and after he was baptized, he stayed close to Philip constantly, and when he saw the signs and great miracles that were occurring, he was amazed.