This is from a passage from Dietrich Bonhoeffer from a devotional “A Year with Dietrich Bonhoeffer” p 351

The human being, accepted, judged and awakened to new life by God – this is Jesus Christ, this is the whole of humanity in Christ, this is us. The form of Jesus Christ alone victoriously encounters the world. From this form proceeds all the formation of a world reconciled with God. The word ‘formation’ arouses our suspicion. We are tired of Christian agendas. We are tired of the thoughtless, superficial slogan of a so-called practical Christianity to replace a so-called dogmatic Christianity. We have seen that the forces which form the world come from entirely other sources than Christianity, and that so-called practical Christianity has failed in the world just aThis s much as so-called dogmatic Christianity. Hence we must understand by ‘formation’ something quite different from what we are accustomed to mean, and in fact the Holy Scripture speaks of formation in a sense that at first sounds quite strange. It is not primarily concerned with formation of the world by planning and programs, but in all formation it is concerned only with the one form that has overcome the world, the form of Jesus Christ … Formation occurs only by being drawn into the form of Jesus Christ, by being conformed to the unique form of the one who became human, was crucified, and is risen. This does not happen as we strive ‘to become like Jesus’, as we customarily say, but as the form of Jesus Christ himself so works on us that it molds us, conforming our form to Christ’s own (Gal 4:9). – from Ethics 92-63

This is from page 357

The issue is the process by which Christ takes form among us. Therefore the issue is the real, judged, and renewed human being. The real, the judged, and the renewed human being exists only in the form of Jesus Christ and therefore in being conformed to Christ. Only the person taken on in Christ is the real human being; only the person confronted by the cross of Christ is the judged human being; only the person who participates in the resurrection of Christ is the renewed human being. Since God became a human being in Christ, all thinking about human beings without Christ is unfruitful abstraction. The counter-image to the human being taken up into the form of Christ is the human being as self-creator, self-judge and self-renewer; these people bypass their true humanity and therefore, sooner or later, destroy themselves. Falling away from Christ is at the same time falling away from one’s own true nature. – From “Ethics” p 134