note) it will be affected with pleasure or pain.

Thus the former of the two emotions will, not through itself, but accidentally, be the cause of pleasure or pain.

In the same way also it can be easily shown, that a thing may be accidentally the cause of desire.

Q.E.D.
Corollary .-- Simply from the fact that we have regarded a thing with the emotion of pleasure or pain, though that thing be not the efficient cause of the emotion, we can either love or hate it.
Proof .-- For from this fact alone it arises (III.

xiv.), that the mind afterwards conceiving the said thing is affected with the emotion of pleasure or pain, that is (III.xi.