Love and necessity control all law; and there should be no law that cannot be enforced and applied in love. If it cannot, then let it be done away with, even though an angel from heaven had promulgated it. All this is intended to help and strengthen our hearts and consciences. In this way our Lord himself teaches us how we should humble ourselves and be subject one to another.
Martin Luther, Church Postil, Seventeenth Sunday after Trinity
Locus Communis 