"Why don’t people’s hearts tell them to continue following their dreams?” the boy asked the alchemist. “Because that’s what makes a heart suffer most, and hearts don’t like to suffer." From then on, the boy understood his heart. He asked it, please, never to stop speaking to him. He asked that, when he wandered far from his dreams, his heart press him and sound the alarm. The boy swore that, every time he heard the alarm, he would heed its message."

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"Sorry," she said, "I got out as fast as I could, but I had to stay and socialize. Protocol, you know." "Explain protocol," Nell said. This was how she always talked to the Primer. "At the place we’re going, you need to watch your manners. Don’t say 'explain this' or 'explain that.'" "Would it impose on your time unduly to provide me with a concise explanation of the term protocol?" Nell said. Again Rita made that nervous laugh and looked at Nell with an expression that looked like poorly concealed alarm.

— Neal Stephenson