But while we are appealing to science as the gold standard of epistemic respectability, we should note that many of the most fundamental concepts in science refer to basic forces that are not themselv...But while we are appealing to science as the gold standard of epistemic respectability, we should note that many of the most fundamental concepts in science refer to basic forces that are not themselves directly observable. Perhaps the best explanation for this aspect of our experience is that we have a moral sense, a recognition of the goodness of some things and the badness of others.