  For as to [1]: what the rule of law and not of men calls for is the institution of legal system, a corpus iuris, and so what a principle of morality (natural law) or ius gentium implies would be an appropriate rule of law is, nevertheless, not yet a part of our law—still less is a mere “policy” made law by being “prudent” or “efficient”—unless its content, conceptualization and form are so shaped, whether in judicial or other juristic thinking or in judgment or legislation, as to cohere with the other parts (especially neighboring parts) of our law. 