Comparatively speaking

Of all vulgar modes of escaping from the consideration of the effect of social and moral influences on the human mind, the most vulgar is that of attributing the diversities of conduct and character to inherent natural differences
-John Stuart Mill

Though much of the inequality of income produced by payment in accordance with product reflects "equalizing" differences or the satisfaction of men's tastes for uncertainty, a large part reflects initial differences in endowment
-Milton Friedman