More Bonhoeffer, this time from the new translation of his Lectures on Christology (popularly published as Christ the Center) in the Berlin: 1932-1933 volume:
With the humiliated Christ, his church must also be humiliated. It cannot seek any visible authentication of its nature, as long as Christ has renounced doing so for himself. Nor may it, as a humiliated church, look upon itself with vain self-satisfaction, as though being humiliated were the visible proof that Christ is with it. There is no law here, and the humiliation of Christ is not a principle for the church to follow but rather a fact. Even the church can be high, and it can be lowly, if only both conditions occur for the sake of Christ. It is not good for the church to hasten to proclaim its lowliness. But it is not good either for the church to to hasten to proclaim its greatness and power; it is only good for the church to seek forgiveness for its sins.
Even the church, as the presence of Jesus Christ — God who became human, was humiliated, resurrected, and exalted — must receive the will of God every day anew from Christ. For the church, too, Christ becomes, every day anew, an offense to its own desires and hopes. The church must stumble every day anew over the sentence “You will all become deserters because of me,”[Matt 26:31] and it must hold on to the promise, “Blessed is anyone who takes no offense at me.” [Matt 11:6] (p. 360)