1836, Ralph Wardlaw, Friendly Letters to the Society of Friends, letter VIII: “On ‘the Perceptible Influence and Guidance of the Spirit of Truth’”, page 344:
Now, mutatis mutandis — or rather, I should say, mutato mutando, for there is but a single alteration necessary — changing “the dictates of the Spirit of Truth in the soul” to “the dictates of the Spirit of Truth in the word,” — the same thing may be truly affirmed of many, in every evangelical body of Christian professors.
