另一方面，有些批评家指责他虽然善于观察，却没有推理能力，对此他既不接受也不支持。
On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer, he had no power of reasoning.
道德不像科学那样基于推理或观察，这一假设最好地解释了道德差异性。
Moral variation is best explained by assuming that morality, unlike science, is not based on reason or observation.
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