He saw a chair, and a ship that was not a ship; he saw a man with two shadows, and he saw that which cannot be seen; a concept; the adaptive, self-seeking urge to survive, to bend everything that can be reached to that end, and to remove and to add and to smash and to create so that one particular collection of cells can go on, can move onwards and decide, and keeping moving, and keeping deciding, knowing that - if nothing else - at least it lives. And it had two shadows, it was two things; it was the need and it was the method. The need was obvious; to defeat what opposed its life.