Kahlil Gibran quotes (Lebanese born American philosophical Essayist, Novelist and Poet. 1883-1931)
Seneca quotes (Roman philosopher, mid-1st century AD)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Bertrand Russell quotes (English Logician and Philosopher 1872-1970)
Carol Leifer quotes
Socrates quotes (Ancient Greek Philosopher, 470 BC-399 BC)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)
