An essay on inspiration [electronic resource] : or an attempt to shew that the pretences of the ancient and the modern Zamzummim, to that ray of divinity, were, and are, deceptions. Wherein The fundamental Principles of Barclay, in his Apology for the Quakers, are refuted; the Necessity of an External Revelation proved, and the Fiction of an Internal one exploded. With A Hue and Cry after the Enthusiast; his Person described; and his Frenzies delineated. By John Dove, Author of the Creed founded on Truth and Common Sense, &c.