Vacant and uncultivated lands which are found in the territory of a State should be awarded to foreigners if they demand them. And in fact they have the right to seize them; for we should not regard as property that which is not cultivated.

— HUGO GROTIUS, Rights of War and Peace, Book II., Chap. 2., Sec. 17.

The earth is the common ground of all its inhabitants.

— CAPTAIN A. T. MAHAN, The Transvaal and the Philippines,

New York Independent, Feb. 1, 1900, p. 289.