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Secondly, I would have anyone give me a reason, why virtue and vice may not be involuntary, as well as beauty and deformity. If you assent, therefore, to this last proposition, and assert, that justice and injustice are not susceptible of degrees, you in effect assert, that they are not naturally either vicious or virtuous; since vice and virtue, moral good and evil, and indeed all natural qualities, run insensibly into each other, and are, on many occasions, undistinguishable.