iricists claim, all knowledge derives from experience, how do we gain knowledge about morality? Can we "see" wrong actions? Are moral claims testable?...

Moral Knowledge

If, as the Empiricists claim, all knowledge derives from experience, how do we gain knowledge about morality? Can we "see" wrong actions? Are moral claims testable?

Here are some questions to consider: 

1.   If morals are not universal, where do they derive their justification?