The Earth is just too small and fragile a basket for the human race to keep all its eggs in.
Robert A. HeinleinThen I glanced at the ring on my finger. The Snake That Eats Its Own Tail, Forever and Ever. I know where I came fromโbut where did all you zombies come from? I felt a headache coming on, but a headache powder is one thing I do not take. I did onceโand you all went away. So I crawled into bed and whistled out the light. You arenโt really there at all. There isnโt anybody but meโJaneโhere alone in the dark. I miss you dreadfully!
Robert A. Heinlein