Edward Abbey quotes (American Writer whose works, set primarily in the southwestern United States, reflect an uncompromising environmentalist philosophy. 1927-1989)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Malcolm Muggeridge quotes
Dale Carnegie quotes (American lecturer, author, 1888-1955)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Martin Luther King, Jr. quotes (American Baptist Minister and Civil-Rights Leader. 1929-1968)
Bill Cosby quotes (American Actor, Comedian and Producer. b.1937, Philadelphia, Pennsylvania, USA)