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'For many years of his life he had, I think, been under one important mistake, in his expectations relative to the conduct of his fellow-creatures, and of the effects of cultivating the human understanding.

He had believed that, if rational creatures could be made clearly to see and understand that virtue will render them happy, and vice will render them miserable, either in this world or in the next, they would afterwards, in consequence of this conviction, follow virtue, and avoid vice.

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