When we come to Spinozas ethics, we feel - or at least I feel - that something, though not everything, can be accepted even when the metaphysical foundation has been rejected. Broadly speaking, Spinoza is concerned to show how it is possible to live nobly even when we recognize the limits of human power. He himself, by his doctrine of necessity, makes these limits narrower than they are; but when they indubitably exist, Spinozas maxims are probably the best possible.p. 578.

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