All that natural law does is to suggest the establishment of property when the welfare of human society demands it, leaving it to the wisdom of men to determine whether they should allow private property in all things or only in some, and whether they should hold those which they appropriate separately or in common, leaving the rest to the first occupant, so that no one can assume the right to enjoy them alone.

— PUFENDORF, Law of Nature and Nations (1672), Book IV., Chap. 4, Sec. 4.