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And Pleasure perfects the Working. But Pleasure does not perfect

it in the same way as the Faculty and Object of Perception do,

being good; just as health and the physician are not in similar

senses causes of a healthy state.

And that Pleasure does arise upon the exercise of every

Percipient Faculty is evident, for we commonly say that sights

and sounds are pleasant; it is plain also that this is especially

the case when the Faculty is most excellent and works upon a

similar Object: and when both the Object and Faculty of

Perception are such, Pleasure will always exist, supposing of

course an agent and a patient.