Boulding Briefing

Economic progress means the discovery and application of better ways of doing things to satisfy our wans. The piping of water to a household that previously dragged it from a well, the growing of two blades of grass where one grew before, the development of a power loom that enables one man to weave ten times as much as he could before, the use of steam power and electric power instead of horse or human power–all these things clearly represent economic progress.

From his Principles of Economic Policy