'With Authority' in the Bible

And they were all amazed, so that they questioned among themselves, saying, What thing is this? what new doctrine is this? for with authority he commandeth even the unclean spirits, and they obey him.

And they were all amazed, and spoke among themselves, saying, What a word is this! for with authority and power he commandeth the unclean spirits, and they come out.

Upon which as I went to Damascus, with authority and commission from the chief priests,