Isaac Newton quotes (English Mathematician and Physicist, "father of the modern science", 1642-1727)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Buddha quotes (Hindu Prince Gautama Siddharta, the founder of Buddhism, 563-483 B.C.)
Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)
Aristotle quotes (Ancient Greek Philosopher, Scientist and Physician, 384 BC-322 BC)
