the real essence of gold. But a man, not knowing wherein that real
essence consists, the connexion in his mind of malleableness is not
truly with an essence he knows not, but only with the sound gold he puts
for it. Thus, when we say that ANIMAL RATIONALE is, and animal imflume
bipes latis unguibus is not a good definition of a man; it is plain we
suppose the name man in this case to stand for the real essence of a
species, and would signify that 'a rational animal' better described
that real essence than 'a two-legged animal with broad nails, and
without feathers.' For else, why might not Plato as properly make the
word [word in Greek], or MAN, stand for his complex idea, made up of the
idea of a body, distinguished from others by a certain shape and other
outward appearances, as Aristotle make the complex idea to which he gave
the name [word in Greek], or MAN, of body and the faculty of reasoning
joined together; unless the name [word in Greek], or MAN, were supposed
to stand for something else than what it signifies; and to be put in the
place of some other thing than the idea a man professes he would express
by it?
18. VI. Putting them for the real Essences of Substances.
It is true the names of substances would be much more useful, and
propositions made in them much more certain, were the real essences of
substances the ideas in our minds which those words signified. And it
is for want of those real essences that our words convey so little
knowledge or certainty in our discourses about them; and therefore the
mind, to remove that imperfection as much as it can, makes them, by a
secret supposition, to stand for a thing having that real essence, as if
thereby it made some nearer approaches to it. For, though the word MAN
or GOLD signify nothing truly but a complex idea of properties united
together in one sort of substances; yet there is scarce anybody, in the
use of these words, but often supposes each of those names to stand for
a thing having the real essence on which these properties depend. Which
is so far from diminishing the imperfection of our words, that by a
plain abuse it adds to it, when we would make them stand for something,
which, not being in our complex idea, the name we use can no ways be the
sign of.
19. Hence we think Change of our Complex Ideas of Substances not to
change their Species.
This shows us the reason why in MIXED MODES any of the ideas that make
the composition of the comp
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