In the Sermon on the Mount, Jesus warned his followers not to practice spiritual devotion with ulterior motives (Matthew 6:1-18). Do not give to the needy to be celebrated for your generosity. Do not pray to be heard by men. Do not fast so people will consider you spiritual. How do you avoid practicing Godward acts with man-centered motives? Jesus teaches that acts of devotion should be done in private, before God not man. Preachers also struggle with the temptation to make their charge from God a performance before men. But we cannot overcome this temptation by moving the pulpit...