Dr. Carl Sagan quotes (American Astronomer, Writer and Scientist, 1934-1996)
Leo Stein quotes
Saint Augustine quotes (Ancient Roman Christian Theologian and Bishop of Hippo from 396 to 430. One of the Latin Fathers of the Church. 354-430)
Rene Descartes quotes (French Mathematician, Philosopher and Scientist, 1596-1650)
Percy Bysshe Shelley quotes (English Romantic Poet whose passionate search for personal love and social justice was gradually channeled from overt actions into poems that rank with the greatest in the English language. 1792-1822)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Maya Angelou quotes (American Poet, b.1928)
Andre Gide quotes (French writer, humanist and moralist, 1947 nobel prize for literature, 1869-1951)
