“Are you all right, sir?” asked Hezekiah. “Just fighting over old battles in my mind,” said John. “It’s the problem with age. You have all these rust… - Orson Scott Card

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“Are you all right, sir?” asked Hezekiah.
“Just fighting over old battles in my mind,” said John. “It’s the problem with age. You have all these rusty arguments, and no quarrel to use them in. My brain is a museum, but alas, I’m the only visitor, and even I am not terribly interested in the displays.”