What's a Klettersteig?" Dinah asked, trying to move on. "It is a mountain climb that is preengineered with cables, ladders, and so on." "To make it easier," Dinah guessed. "Oh, no. It is not easy. It is a way to take a climb that would be impossible, and make it merely extremely difficult." "Okay," Dinah said. "A good metaphor for what we are trying to do up here, then." "Yes, I suppose so!" Markus said, cheerfully enough.
( Neal Stephenson )
[ Seveneves ]
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