Love and pursuit of wisdom by intellectual means and moral self-discipline.
The critical analysis of fundamental assumptions or beliefs.
Ethics
The science of human duty, political or social ethics; medical ethics.
Logic
The study of the principles of reasoning, especially of the structure of propositions as distinguished from their content and of method and validity in deductive reasoning.
Religion
Belief in and reverence for a supernatural power or powers regarded as creator and governor of the universe.
A personal or institutionalized system grounded in such belief and worship.