— 506 —
How in Substances.
      §32. In our Notions concerning Substances, we are liable to all
the former Inconveniencies: v.g. 1. He that uses the word Tarantula,
without having any Imagination or Idea of what it stands for, pro-
— 507 —
nounces a good Word; but so long means nothing at all by it. 2. He
that, in a new-discovered Country, shall see several sorts of Animals
and Vegetables, unknown to him before, may have as true Ideas of
them, as of a Horse, or a Stag; but can speak of them only by a
description, till he shall either take the Names the Natives call them
by, or give them Names himself. 3. He that uses the word Body
sometimes for pure Extension, and sometimes for Extension and
Solidity together, will talk very fallaciously. 4. He that gives the
Name Horse, to that Idea which common usage calls Mule, talks im-
properly, and will not be understood. 5. He that thinks the Name
Centaur stands for some real Being, imposes on himself, and mistakes
Words for Things.
Locke Hum III, 10, §32, pp. 506-507