“Ethics is not a description of what people do; it's a prescription for what we all should do.”
“The prescription of the equality of human beings is not a description of an alleged actual equality among humans: it is a prescription of how we should treat human beings.”
“Science fiction is not prescriptive; it is descriptive.”
“That's what alcoholics do. It's in their job description: fall apart and then keep falling apart.”
“Science and technology are what we can do; morality is what we agree we should or should not do.”
“The only possible ethic is to do what one wants to do.”