From Dietrich Bonhoeffer, Life Together:
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 ever so honest and earnest and sacrificial. God hates visionary dreaming; it makes the dreamer 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.
Read this article here: The Danger of Seeking Your Dream Church – The Gospel Coalition