People knew not to put new wine in old wineskins or a new cloth patch on an old shirt. Likewise, Jesus' new way of life is incompatible with old habits and beliefs!
The Parable of the Cloth and the Wineskins concludes a much longer narrative. The context and reveals deeper meanings and applications of the parable.
Sin causes disease, but the person who becomes sick does not necessarily commit the sin. Because God alone can forgive sin, God alone can heal.
Luke's gospel portrays Christ as the son of man, the high priest of man, and the savior of man, having all the feelings, compassions, and aspirations of man.
The preaching the gospel to the world is at best the beginning of a complex process of creating disciples through steady feeding and encouragement to overcome.
Only a converted person humbles himself before the truth, making a conscientious effort to follow the light of evidence, even to unwelcome conclusions.
Christ provides a model of how to live a godly life in the flesh, living life the way God lives it. Using His light, we can navigate our way in this world.