Thucydides quotes (Ancient Greek historians and author, 460-404bc)
Seneca quotes (Roman philosopher, mid-1st century AD)
Mahatma Gandhi quotes (Indian Philosopher, internationally esteemed for his doctrine of nonviolent protest, 1869-1948)
Bertrand Russell quotes (English Logician and Philosopher 1872-1970)
Antoine de Saint-Exupery quotes (French Pilot, Writer and Author of 'The Little Prince', 1900-1944)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Stephen R. Covey quotes
Albert Camus quotes (French Novelist, Essayist and Playwright, 1957 Nobel Prize for Literature, 1913-1960)
William Glasser quotes ( , b.1925)
