xi.
note); hence love maybe excessive.

Again, the strength of desire varies in proportion to the emotion from which it arises (III.

xxxvii.).

Now emotion may overcome all the rest of men's actions (IV.

vi.); so, therefore, can desire, which arises from the same emotion, overcome all other desires, and become excessive, as we showed in the last proposition concerning stimulation.
Note .-- Mirth, which I have stated to be good, can be conceived more easily than it can be observed.