Emanuel Kant. No, seriously. Resist the urge to shut your brain off and walk with me a minute.

Two of Kant's contributions to moral philosophy are the "Theory of Perception" and the "Categorical Imperative." In short, perception is based on either direct experience of reality (analytic) or an inferred experience (synthetic) of reality. "All dogs are quadrapeds" vs. "All dogs are happy" are examples. The former is measurable and verifiable,...