A community which cannot bear and cannot survive such a crisis, which insists upon keeping its illusion when it should be shattered, permanently loses in that moment the promise of Christian community. Sooner or later it will collapse. Every human wish dream that is injected into the Christian community is a hindrance to genuine community and must be banished if genuine community is to survive. He who loves his dream of a community more than the Christian community itself becomes a destroyer of the latter, even though his personal intentions may be even so honest and earnest and sacrificial.
God hates visionary dreaming; it makes the dream proud and pretentious. The man who fashions a visionary ideal of community demands that it be realized by God, by others, and by himself. He enters the community of Christians with his demands, sets up his own law, and judges the brethren and God himself accordingly. He stands adamant, a living reproach to all others in the circle of brethren. He acts as if he is the creator of the Christian community, as if his dream binds men together.
When things do not go his way, he calls the effort a failure. When his ideal picture is destroyed, he sees the community going to smash. So he becomes, first an accuser of his brethren, then an accuser of God, and finally the despairing accuser of himself. - Dietrich Bonhoeffer, “Disillusioned with Your Church?”
Leadership, Winter 1998, page 37