If rules for evaluating evidence in court seem natural to us, the idea that there should be rules for the deliberations of the internal forum of conscience is a very strange one. The modern attitude, at least before the recent widespread formation of ethics committees in medical research and the like, has been that there are no experts in morals. Everyone not warped by an unhappy childhood is presumed to be able to decide on what is right by an immediate intuition. Or if that is too absolutist a view of morals, it is regarded as the right of all to decide their own paths. In either case,
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