<p>10:21 <i>Others said: These are not the sayings of one possessed with a demon. Can a demon possessed person open the eyes of the blind?</i>- The Lord's miracles were used with economy, but they were necessary in order to demonstrate beyond doubt that the Lord was from God. This was especially necessary in a society where only a few % were literate, and there was no easy access to the Old Testament scrolls for personal study. And the miracles were self-evidently good; the suggestion that the Lord was an agent of some supposed 'Satan' or evil empire was absurd if He was using His supernatural powers to do good.</p>