— 373 —
Complex Ideas are voluntary Combinations.       §3. Though the Mind be wholly passive, in respect of its simple
Ideas: Yet, I think, we may say, it is not so, in respect of its complex
Ideas: For those being Combinations of simple Ideas, put together,
and united under one general Name; ’tis plain, that the Mind of
Man uses some kind of Liberty, in forming those complex Ideas:
How else comes it to pass, that one Man’s Idea of Gold, or Justice, is
different from anothers? But because he has put in, or left out of his,
some simple Idea, which the other has not. The Question then is,
Which of these are real, and which barely imaginary Combinations:
what Collections agree to the reality of Things, and what not? And
to this I say, That
Locke Hum II, 30, §3, p. 373