“We have been unable to show that reason requires the moral
>point of view or that really rational persons need not be
>egoists or classical immoralists. Reason doesn’t decide here.
>The picture I have painted for you is not a pleasant one.
>Reflection on it depresses me. Pure practical reason, even
>with a good knowledge of the facts, will not take you to
>morality.” -Kai Nielsen

I be interested in knowing what kind of reasoning Mr Neilsen used to reach his conclusions.