Louis's excitement was growing unbearable. Was this really what he had needed all along? Not the droud and wire, but the risk of his life to prove it… - Larry Niven

Long ago, Louis Wu had stood at the void edge of Mount Lookitthat. The Long Fall River, on that world, ends in the tallest waterfall in known space. Louis's eyes had followed it down as far as they could penetrate the void mist. The featureless white of the void itself had grasped at his mind, and Louis Wu, half hypnotized, had sworn to live forever. How else could he see all there was to see?
Now he reaffirmed that decision.

Jesus Pietro was worried. The Sons of Earth, if they got this far, would go straight to the vivarium to free their compatriots. But if Matthew Keller was his own agent...
If the ghost of Alpha Plateau was not a rebel, but a thing with its own unpredictable purpose...
Jesus Pietro worried.

And that’s another reason I don’t want contact between your species and mine. You’re all Crazy Eddies. You think every problem has a solution.