Wycliffe Handbook of Preaching and Preachers, W. Wiersbe, (Moody Press, Chicago; 1984), p. 247
Wesley was not an advocate of sensationalism in preaching. But on one occasion, he interrupted his own sermon and shouted, "Lord, is Saul also among the prophets? Is James Watson here? If he be, show Thy power!" And James Watson dropped to the floor and began to cry loudly for God's mercy!