Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Galileo Galilei quotes (Italian natural Philosopher, Astronomer and Mathematician who made fundamental contributions to the development of the scientific method and to the sciences of motion, astronomy and strength of materials. 1564-1642)
C.S. Lewis quotes (British Scholar and Novelist. 1898-1963)
Marcus Tullius Cicero quotes (Ancient Roman Lawyer, Writer, Scholar, Orator and Statesman, 106 BC-43 BC)
Aristotle quotes (Ancient Greek Philosopher, Scientist and Physician, 384 BC-322 BC)
Seneca quotes (Roman philosopher, mid-1st century AD)
Tom Morris 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)
