There’s an intriguing passage in Bonhoeffer’s Letters and Papers from Prison where he discusses the relationship between “spirit” and “flesh,” in the context of discussing “restoration” and “sublimation,” in the context of discussing lyrics from certain hymns and songs that were meaningful to him in prison.
Here it is, from a December 19, 1943 (the Fourth Sunday of Advent) letter to Eberhard Bethge:
In recent weeks this line has been running through my head over and over: “Calm your hearts, dear friends; / whatever plagues you, / whatever fails you, / I will restore it all.” What does that mean, “I will restore it all”? Nothing is lost; in Christ all things are taken up, preserved, albeit in transfigured form, transparent, clear, liberated from the torment of self-serving demands. Christ brings all this back, indeed, as God intended, without being distorted by sin. The doctrine originating in Eph. 1:10 of the restoration of all things, ἀνακεφαλαίωσις—re-capitulatio (Irenaeus), is a magnificent and consummately consoling thought. (DBWE 8:229–30)
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