Who stands firm? Only the one for whom the final standard is not his reason, his principles, his conscience, his freedom, his virtue, but who is ready to sacrifice all these, when in faith and sole allegiance to God he is called to obedient and responsible action: the responsible person, whose life will be nothing but an answer to God's question and call.
Dietrich Bonhoeffer (1966). “I Loved this People: Testimonies of Responsibility”, London : S.P.C.K.