M. Scott Peck quotes (American psychiatrist and Author, 1936-2005)
Leonardo da Vinci quotes (Italian draftsman, Painter, Sculptor, Architect and Engineer whose genius epitomized the Renaissance humanist ideal. 1452-1519)
Nathaniel Branden quotes
Thomas S. Szasz quotes (Hungarian psychiatrist and Professor of Psychiatry Emeritus at State University of New York Health Science Center in Syracuse, b.1920)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Brittany Renée quotes (English Author and Dancer, b.1986)
Henry Kissinger quotes (American Political scientist. b.1923)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Marie Curie quotes (French Physicist, twice winner of the Nobel Prize, 1867-1934)
Reinhold Niebuhr quotes (American theologian, 1892-1971)
