Leo Nikolaevich Tolstoy quotes (Russian moral Thinker, Novelist and Philosopher, notable for his influence on Russian literature and politics. 1828-1910)
Marshall McLuhan quotes (Canadian communications theorist Educator, Writer and Social Reformer, 1911-1980)
Marcus Tullius Cicero quotes (Ancient Roman Lawyer, Writer, Scholar, Orator and Statesman, 106 BC-43 BC)
Konrad Lorenz quotes (Austrian Zoologist, 1903-1989)
Robert Green Ingersoll quotes (American Statesman and Orator, noted for his broad range of culture and his defense of atheism. 1833-1899)
Friedrich von Schiller quotes (German Poet, Dramatist, Philosopher and Historian. 1759-1805)
