Matthew 8:14-17. Peter's mother-in-law healed with a touch, and she gets up and serves — read standing, because the word itself is the tool that changes people.
Matthew 8:28-34 and the two demon-possessed men at Gennesaret. The key word is authority, and where it actually sits.
Matthew 8 and the cleansing of a leper — an unplanned detour into a chapter where the kingdom of God breaks into a broken world.