'With Authority' in the Bible

And they were all amazed, so that they questioned among themselves, saying, "What is this? A new teaching! With authority he commands even the unclean spirits, and they obey him."

And they were astonished at his teaching, for his word was with authority.

And they were all amazed and said to one another, "What is this word? For with authority and power he commands the unclean spirits, and they come out!"