John Newton, Forty-One Letters on Religious Subjects, Letter VII, “On the Propriety of a Ministerial Address to the Unconverted.”
We should undoubtedly endeavour to maintain a consistency in our preaching; but unless we keep the plan and manner of the Scripture constantly in view, and attend to every part of it, a design of consistency may fetter our sentiments, and greatly preclude our usefulness. We need not wish to be more consistent than the inspired writers, nor be afraid of speaking as they have spoken before us.