Jules de Gaultier quotes
Jean-Jacques Rousseau quotes (French philosopher and writer whose novels inspired the leaders of the French Revolution, 1712-1778)
Joseph Joubert quotes (French Essayist and moralist, 1754-1824)
Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Marcus Aurelius Antonius quotes
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Ayn Rand quotes (Russian born American Writer and Novelist, 1905-1982)
Jonas Salk quotes (American Microbiologist, 1914-1995)
