An Essay Concerning Humane Understanding, Volume 2 eBook

This eBook from the Gutenberg Project consists of approximately 429 pages of information about An Essay Concerning Humane Understanding, Volume 2.

An Essay Concerning Humane Understanding, Volume 2 eBook

This eBook from the Gutenberg Project consists of approximately 429 pages of information about An Essay Concerning Humane Understanding, Volume 2.
a right to put into his complex idea those qualities he has found to be united together.  For, though in the substance of gold one satisfies himself with colour and weight, yet another thinks solubility in aqua regia as necessary to be joined with that colour in his idea of gold, as any one does its fusibility; solubility in aqua regia being a quality as constantly joined with its colour and weight as fusibility or any other; others put into it ductility or fixedness, &c., as they have been taught by tradition or experience.  Who of all these has established the right signification of the word, gold?  Or who shall be the judge to determine?  Each has his standard in nature, which he appeals to, and with reason thinks he has the same right to put into his complex idea signified by the word gold, those qualities, which, upon trial, he has found united; as another who has not so well examined has to leave them out; or a third, who has made other trials, has to put in others.  For the union in nature of these qualities being the true ground of their union in one complex idea, who can say one of them has more reason to be put in or left out than another?  From hence it will unavoidably follow, that the complex ideas of substances in men using the same names for them, will be very various, and so the significations of those names very uncertain.

14.  Thirdly, To co-existing Qualities which are known but imperfectly.

Besides, there is scarce any particular thing existing, which, in some of its simple ideas, does not communicate with a greater, and in others a less number of particular beings:  who shall determine in this case which are those that are to make up the precise collection that is to be signified by the specific name? or can with any just authority prescribe, which obvious or common qualities are to be left out; or which more secret, or more particular, are to be put into the signification of the name of any substance?  All which together, seldom or never fail to produce that various and doubtful signification in the names of substances, which causes such uncertainty, disputes, or mistakes, when we come to a philosophical use of them.

15.  With this imperfection, they may serve for civil, but not well for philosophical Use.

It is true, as to civil and common conversation, the general names of substances, regulated in their ordinary signification by some obvious qualities, (as by the shape and figure in things of known seminal propagation, and in other substances, for the most part by colour, joined with some other sensible qualities,) do well enough to design the things men would be understood to speak of:  and so they usually conceive well enough the substances meant by the word gold or apple, to distinguish the one from the other.  But in philosophical inquiries and debates, where general truths are to be established, and consequences drawn from positions laid down, there the precise signification

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An Essay Concerning Humane Understanding, Volume 2 from Project Gutenberg. Public domain.