“We do not any longer make the mistake of deriving the morality of our locality an decade direct from the inevitable constitution of human nature. ... We recognize that morality differs in every society, and is a convenient term for socially approved habits. Mankind has always preferred to say “It is morally good” rather than “It is habitual” .... [b]ut historically the two phrases are synonymous.

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“This head-hunting that takes place on the Northwest Coast after a death is no matter of blood revenge or of organized vengeance. There is no effort to tie the subsequent killing with any responsibility on the part of the victim for the death of the person who is being mourned. A chief whose son has died goes visiting wherever his fancy dictates, and he says to his host, "My prince has died today, and you go with him." Then he kills him. In this, according to their interpretation, he acts nobly ...”

"If I say 'Stealing is wrong' I produce a sentence with no factual meaning ... It is as if I had written 'Stealing money!!' where the shape and thickness of the exclamation marks show ... a special sort of moral disapproval.

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We certainly do engage in disputes which are ordinarily regarded as disputes about questions of value. But, in all such cases, we find, if we consider the matter closely, that the dispute is not really about a question of value, but about a question of fact."