— 506 —
      §30. Fifthly, He that hath imagined to himself Substances such
as never have been, and fill’d his Head with Ideas which have not
any correspondence with the real Nature of Things, to which yet he
gives settled and defined Names, may fill his Discourse, and, per-
haps, another Man’s Head, with the fantastical Imaginations of his
own Brain; but will be very far from advancing thereby one jot in
Locke Hum III, 10, §30, p. 506