I could not possibly exist with the nature I actually have, that is, one endowed with the idea of God, unless there really is a God; the very God, I mean, of whom I have an idea.
Authentication Score 3
Original Citation
Descartes, René. Meditationes de Prima Philosophia, in qua Dei existentia et animæ immortalitas demonstratur [Meditations on First Philosophy, in which the existence of God and the immortality of the soul are demonstrated]. Paris, 1641, third meditation.
Current Citation
Descarte, René. "Meditations on First Philosophy." Discourse on Method and Meditations on First Philosophy, translated by Donald A. Cress. Hackett Publishing, 1999, third meditation.