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Classification of the Sci.
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so far to generalize the meaning as to include final causes other than those that centre in human brains, but is by no means to be understood as an acknowledgment that an end to which there will be a tendency though any conditions that do not essentially or formally concern it are altered can fail to be a true cause. For the very type and prototype of what the word cause means is the sense in which, for example, my desire for fresh air may cause me to [get??] up from my chair, cross the room, and open the window. If one wishes to use the word in a very strict sense, one may reasonably object to saying that a mechanical force is a cause of motion, instead of calling it the time-slope of a motion. But however strictly the word be used, the volitions of a human mind will be, par excellence, causes of mechanical motions. Now from what has just been said it is obvious to anybody