Numbers rule the universe. ——Pythagoras Mathematics, the queen of science; number theory, the queen of mathematics. ——C.F. Gauss God created the integers, and all other numbers are man-made. —— L. Kronecker God is an arithmetician —— Jacobi A mathematician who is not somewhat poetic can never become a complete mathematician. ——Weierstrass The science of pure mathematics, in its modern stage of development, can be said to be the most original creation of the human spirit. ——Whitehead Countability rules the entire world of quantity, and the four arithmetic operations can be regarded as all the equipment of a mathematician. ——Maxwell