Johannes Kepler quotes (German Astronomer, 1571-1630)
Albert Pike quotes (American Lawyer, Journalist and Soldier, 1809-1891)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Horace quotes (Ancient Roman Poet. 65 BC-8 BC)
J.R.R. Tolkien quotes (English Writer and Author of richly inventive epic fantasy The Lord of the Rings, 1892-1973)
Isaac Asimov quotes (Russian born American science-fiction Writer and Biochemist. 1920-1992)
Andy Rooney quotes (American Journalist, Correspondent, Writer and Producer, b.1919)
Mark Twain quotes (American Humorist, Writer and Lecturer. 1835-1910)
Mortimer Adler quotes (American Philosopher, Educator and Editor, 1902-2001)
Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
