It was in 1873, in Dublin that D. L. Moody heard British evangelist Henry Varley utter those life changing words: “The world has yet to see what God can do with and for and through and in a man who is fully and wholly consecrated to Him.” It was after an all-night prayer meeting in Dublin, at the home of Henry Bewley. Varley did not even remember making the statement when Moody reminded him of it a year later. “As I crossed the wide Atlantic,” Moody said, “the boards of the deck ... were engraved with them, and when I reached Chicago, the very paving stones seemed marked with them.”

The result: Moody decided he was involved in too many ministries to be effective and therefore began to concentrate on evangelism.

The Wycliffe Handbook of Preaching & Preachers, W. Wiersbe, p. 20