8. And further enlarge our complex ideas, by still leaving out properties contained in them.
By the same way that
they come by the general name and idea of man, they easily advance to more general names and notions. For,
observing that several things that differ from their idea of man, and cannot therefore be comprehended under that
name, have yet certain qualities wherein they agree with man, by retaining only those qualities, and uniting them
into one idea, they have again another and more general idea; to which having given a name they make a term of a
more comprehensive extension: which new idea is made, not by any new addition, but only as before, by leaving
out the shape, and some other properties signified by the name man, and retaining only a body, with life, sense,
and spontaneous motion, comprehended under the name animal.