One of the most well known aspects of Jesus' ministry was His miraculous healing ability. The gospel accounts are filled with stories of Him healing lepers, the diseased, and more. These miracles are used for a variety of reasons. Interestingly enough, there is at least one instance where a healing is related to the topic of authority.
The Word of God begins with the One who creates. It doesn't start with mountains or trees or the stars. Instead of beginning with the world we see around us its initial focus is on God Himself. This is fitting, for without God there is nothing. Although it may not be immediately apparent, we see God's authority throughout the first chapter of Genesis.