— 429 —
First, the Ideas they stand for, are made by the Understanding.       §2. The first Particularity I shall observe in them is, that the
abstract Ideas, or, if you please, the Essences of the several Species of
mixed Modes are made by the Understanding, wherein they differ from
those of simple Ideas: in which sort, the Mind has no power to make
any one, but only receives such as are presented to it, by the real
Existence of Things operating upon it.
Locke Hum III, 5, §2, p. 429