The boy was raised as one of the Chained, condemned to toil in the bowels …
[W]hat chilled him was not the threat of punishment, which was something he understood, but the sudden confrontation with the absolute difference of the others around him, who sat in their chairs and looked at the girl. So then the code that bound him was not given. It was designed.
— The Practice, the Horizon, and the Chain by Sofia Samatar (Page 37)