David Joseph Schwartz Quotes
Knowledge is power only when put to use - and then only when the use made of it is constructive.
Citations
Schwartz, David J. The Magic of Thinking Big. Prentice-Hall, 1959, p. 27.
Related Quotes
David Joseph Schwartz, Jr. was an American motivational writer and coach, best known for authoring The Magic of Thinking Big in 1959. He was a professor of marketing, chairman of the department, and Chair of Consumer Finance at Georgia State University.