He had theologically refined the Christian life as something active, not reactive. It had nothing to do with avoiding sin or with merely talking or teaching or believing theological notions or principles or rules or tenets. It had everything to do with living one’s while life in obedience to God’s call through action. It did not merely require a mind, but a body too. It was God’s call to be fully human…
About Bonhoeffer from Mataxas biography on Bonhoeffer