 There is…a vast difference between modes of philosophizing [philosophandi modus], for one is, if I may so speak, esoteric [acroamaticus], another is exoteric [exotericus]. The esoteric mode is that in which all things are demonstrated; the exoteric is that in which some things are said without demonstration, but they are still given confirmation by means of certain similarities and by dialectical arguments, or even by arguments based on definition, but not proposed except dialectically, [and] they are illustrated by examples and likenesses. Such a kind of speaking is indeed dogmatic or philosophical; however, it is not esoteric, that is, not most rigorous, not most exact. (A VI.ii.416)