Cultures are not the source of all morals, only a limited set of morals. Cultures can be graded and judged morally according to their contribution to the evolution of life.

If you don't generalize you don't philosophize.

I think metaphysics is good if it improves everyday life; otherwise forget it.

I really don't mind dying because I figure I haven't wasted this life.

If your mind is truly, profoundly stuck, then it might be much better off than when it was loaded with ideas

Why, for example, should a group of simple, stable compounds of carbon, hydrogen, oxygen, and nitrogen struggle for billions of years to organize themselves into a professor of chemistry? What's the motive?

A culture that supports the dominance of social values over biological values is an absolutely superior culture to one that does not, and a culture that supports the dominance of intellectual values over social values is absolutely superior to one that does not.