note), in proportion as the pleasure is greater or less.

If anyone imagines that an object of his hatred is pleasurably affected, this conception (III.

xiii.) will hinder his own endeavour to persist; in other words (III.xi.

note), he who hates will be painfully affected.
Q.E.D.
Note .-- This pleasure can scarcely be felt unalloyed, and without any mental conflict.

For (as I am about to show in Prop.
xxvii.), in so far as a man conceives that something similar to himself is affected by pain, he will himself be affected in like manner; and he will have the contrary emotion in contrary circumstances.