Claims of right and insistence upon obligations may depend upon treaty stipulations, or upon the rules of international law, or upon the sense of natural justice applied to the circumstances of a particular case, or upon disputed facts. Elihu Root
Natural justice is a symbol or expression of usefulness, to prevent one person from harming or being harmed by another. (31) Epicurus
The lawyers, as well as the theologians, have erected another reason besides natural reason; and the result has been, another justice besides natural justice. Edmund Burke