Heinrich Heine quotes (German Poet and Writer, 1797-1856)
William Dement quotes
Hermann Hesse quotes (German born Swiss Novelist and Poet. Won the Nobel Prize for Literature in 1946, 1877-1962)
R. D. Laing quotes (British psychiatrist noted for his alternative approach to the treatment of schizophrenia. 1927-1989)
Abraham Maslow quotes (American Philosopher and Psychologist, 1908-1970)
Henry Ward Beecher quotes (Liberal US Congregational minister, 1813-1887)
Marcus Aurelius quotes (Roman emperor, best known for his Meditations on Stoic philosophy, AD 121-180)
Kurt Vonnegut, Jr. quotes (American Writer, b.1922)
Edgar Allan Poe quotes (American short-story Writer, Editor, Poet and Critic, 1809-1849)
