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As there are some things naturally pleasant, and of these two

kinds; those, namely, which are pleasant generally, and those

which are so relatively to particular kinds of animals and men;

so there are others which are not naturally pleasant but which

come to be so in consequence either of maimings, or custom, or

depraved natural tastes: and one may observe moral states similar

to those we have been speaking of, having respectively these

classes of things for their object-matter.