>that there exist empirical truths in the fields of ethics and metaphysics, the latter of which is not scientifically testable by definition. This is a digress

>that there exist empirical truths in the fields of ethics and metaphysics, the latter of which is not scientifically testable by definition. This is a digression off the main subject, but at least with respect to ethics I think that's a pretty bold claim. Ethical naturalism is a perfectly mainstream school of thought, and they don't share this definition of ethics.