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Classification of the Sci
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be adequate to embracing an idea. An idea is a thing to be lived.

Let us now briefly review this list of instincts to see whether there seems to be enough truth in the classification to make it worth acceptance until something better be found. There are thinkers who will demur to the whole thing and refuse to enter upon any examination of it. They include those who are more or less sceptical about all attempts at natural classification and also those who are given to repeating the shibboleth that the mind has no faculties. Both positions are varieties of nominalism. Nominalism is that kind of philosophy which takes the perfectly sound maxim called "Ockham's Razor,"—Entia non sunt multiplicanda praeter necessitatem—that is, a hypothesis ought not to introduce more elements than are requisite for explaining the facts,—