This work is in reply to the question, what ought to be believed or disbelieved concerning presentiments, visions and apparitions, according to nature, reason and scripture. Contents: Introduction; Examination and Refutation of the Principles of Materialism; Remarks Upon the Nature of Man; On Presentiments, Predictions, Enchantments and Prophesying; On Visions and Apparitions; Brief Summary; Notes. Also included is a biographical sketch of the author, Johann Heinrich Jung-Stilling.