• The word capital, as philologists trace it, comes down to us from a time when wealth was estimated in cattle, and a man's income depended upon the number of head he could keep for their increase.

    Henry George: The word capital, as philologists trace it, comes down to us from a time when wealth was estimated in cattle, and a man's income depended upon the number of head he could keep for their increase.
    Henry George (2006). “Progress and Poverty”, p.29, Cosimo, Inc.