Those who say: "But antiquity nevertheless remains as a subject of consideration for pure science, even though all its educational purposes may be disowned," must be answered by the words, What is pure science here! Actions and characteristics must be judged; and those who judge them must stand above them: so you must first devote your attention to overcoming antiquity. If you do not do that, your science is not pure, but impure and limited . as may now be perceived.