It is God's earth out of which man is taken. From it he has his body. His body belongs to his essential being. Man's body is not his prison, his shell his exterior, but man himself. Man does not "have" a body; he does not "have" a soul; rather he "is" body and soul. Man in the beginning is really his body. He is one. He is his body, as Christ is completely his body, as the Church is the body of Christ
The martyred Christian: 160 readings from Dietrich Bonhoeffer (ed. Scribner, 1983)