20. Ideas in themselves neither true nor false.
Any idea, then, which we have in our minds, whether conformable
or not to the existence of things, or to any idea in the minds of other men, cannot properly for this alone be called
false. For these representations, if they have nothing in them but what is really existing in things without, cannot
be thought false, being exact representations of something: nor yet if they have anything in them differing from
the reality of things, can they properly be said to be false representations, or ideas of things they do not represent.
But the mistake and falsehood is:
