In the world of reality the more beautiful a work of art, the longer, we may be sure, was the time required to make it, and the greater the number of different minds which assisted in its development.
The art of economics consists in looking not merely at the immediate but at the longer effects of any act or policy; it consists in tracing the consequences of that policy not merely for one group but for all groups.
Art is a reality, not a definition; inasmuch as it approaches a reality, it approaches perfection, and inasmuch as it approaches a mere definition, it is imperfect and untrue.