— 608 —
Their Use dangerous, where our Ideas are confused.
      §20. And as these Maxims are of little use, where we have deter-
mined Ideas, so they are, as I have shewed, of dangerous use, where
our Ideas are not determined; and where we use Words that are not
annexed to determined Ideas, but such as are of a loose and wander-
ing signification sometimes standing for one, and sometimes for
another Idea; from which follows Mistake and Errour, which these
Maxims (brought as proofs to establish Propositions, wherein the
terms stand for undetermined Ideas) do by their Authority con-
firm and rivet.

Locke Hum IV, 7, §20, p. 608