Authors:

Theories of "natural law" and the "law of nations" are another excellent example of discussions destitute of all exactness. [...] "Natural law" is simply that law of which the person using the phrase approves[....]

Vilfredo Pareto (1942). “Non-logical conduct”
Theories of natural law and the law of nations are another excellent example of discussions destitute of all exactness. [...] Natural law is simply that law of which the person using the phrase approves[....]