Heraclitus of Ephesus quotes (Greek philosopher remembered for his cosmology, 540-480BC)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Frank Caplan quotes
Leonardo da Vinci quotes (Italian draftsman, Painter, Sculptor, Architect and Engineer whose genius epitomized the Renaissance humanist ideal. 1452-1519)
German Proverb quotes
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
George Dennison Prentice quotes (American newspaper Editor, Journalist and Writer, 1802-1870)
Fred Rogers quotes (American television Host and Producer, 1928-2003)
Donna A. Favors quotes (Member of the Board of Directors of the Montgomery Institute, 1955)
Mark Twain quotes (American Humorist, Writer and Lecturer. 1835-1910)
