"The virtual suppression of ethical discussion after 1845 produces the semblance of purely descriptive analysis, dressed in the mantle of positivist objectivity, analysis which is, in fact, strung to a framework of crude, because unexplicated, moral assumptions."

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I think it's perfectly OK to exploit the moon. Largely for two reasons: there's no life there, and it is close enough and rich enough in resources to be economically useful to Earth. In the final analysis, everything we do in space, if it does not help the people of Earth, all the people, it's not going to happen.

— Ben Bova