"The primary objective of copyright is not to reward the labor of authors, but "[t]o promote the Progress of Science and useful Arts." To this end, copyright assures authors the right to their original expression, but encourages others to build freely upon the ideas and information conveyed by a work. This result is neither unfair nor unfortunate. It is the means by which copyright advances the progress of science and art."
Sandra Day O'Connor
(1930-) American jurist, first female member of the Supreme Court of the United States
Feist Publications, Inc. v. Rural Telephone Service Co., 1991