The Gospel-Centered movement that we currently see in various denominational circles and church planting networks has been highly influenced by Jack Miller and those he discipled. Listen to what he said about Church Planting in The Heart of a Servant Leader, a great book of his letters compiled by his daughter after his death.
“The beating heart of Christ’s planting of churches is found in corporate prayer. It is through corporate intercession that the leader and the team of shepherds find release from fears, misconceptions, prejudices, pride, and self will. This release comes as Christ Himself visits them. He makes them one in heart and mind as they pray together. What are they seeking? For God to work in others, of course, but as a presupposition of His working they must be seeking a manifestation of Christ’s presence in their own hearts and lives.”