The Duty of Ministers As unto ministers, the faithful discharge of their duty, in preaching, prayer, and example, is required hereunto. Should I stay to show the necessity hereof at this season; as also what is required thereunto—what care, what diligence, what watchfulness, what compassion, what zeal, what exercise of all gospel grace, with the over-neglect of these things among many—it would take up a volume, rather than become a place in this present inquiry.