Jesus proves He has power to forgive sins by healing a man.
He calls Levi, a tax collector, to follow Him. He isn't afraid to be with the wrong crowd, if it means bringing them light.
He asserts Himself to be the Bridegroom, the Lord of the Sabbath.
Sins this reveals
Refusing to accept Jesus' uniqueness. Only God can forgive sins and be Lord of the Sabbath.