 Every person born into the world is born the rightful proprietor of a certain species of property, or the value thereof".Both Spence and Spencer pointed out that denying an equal right to use land could result in non landers being evicted from the planet and thus contradicts the law of equal freedom.This point was made further by land reformists especially championed by Henry George in "Progress and Poverty" (1879), where he sought to address this by preferably taxing land values.