They are more about underlining similarities than highlighting differences and when rules aren't always right.

"It's a good book," Eta tells herself. "I can even read it."

"Most of it," Iota corrects her. They're only six. Reading is still a process, even if they are smart for their age.

"Yeah, we're getting better. We should get bigger books," Eta tells her twin. "Maybe with pictures like Omega and Theta read."

"Delta's ones with all the words are boring," Iota agrees with her before loking at Maine. "What's your favorite book?"