Oceans recede and coastlines wither and crack. Nations lapse; others soon swagger in their places. Mountains crumble to dust, rains vanish into the sea, winds return whence they came, and every city men build has but a jumble of bones for its foundation. What is your need to me? I am the Watcher in the Dark.

We must also teach science not as the bare body of fact, but more as human endeavor in its historic context—in the context of the effects of scientific thought on every kind of thought. We must teach it as an intellectual pursuit rather than as a body of tricks.