Thomas Sowell Quotes
Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.
Sowell, Thomas. A Conflict of Visions: Ideological Origins of Political Struggles. William Morrow, 1987, p. 15.
This quotation illustrates and important aspect of science. Specifically, that theory, something ephemeral and impractical to the layman, has immense practical power in developing great scientific and technological breakthroughs. The result of this breakthrough was large lenses that could make lights more powerful and make lighthouses much more safe. Even the atomic bomb was really developed from theory and then engineered for practical use.
Thomas Sowell is an American economist, social theorist, and senior fellow at Stanford University's Hoover Institution.