"The third nightfall was less impressive than the second, which mirrored a rule Tris had already identified; new emotions devalued, going from intense through familiar to reach a kind of ghost state where one no longer really noticed them at all."

“The fifty-third Chuang Tzu wore the very first on his cloak as a diamond buckle. Every emperor became a diamond eventually. It was one of the few advantages of living as a carbon-based life form.”

“Gene Newman was Catholic, although not so Catholic that he had more than two children.”

“There was no way she could know, but Prisoner Zero asked anyway because he was talking to himself; which was all anyone ever did, it seemed to him, talk to themselves while half meanings and misunderstandings fed into the minds of those who thought they were listening.”

“The thought came and went, more wish than thought. Maria wasn’t good at considering her own emotions. Most of the time the girl found it hard to believe that what she felt might matter.”

“Inside every adult was a child, or so it is said. Professor Petra Mayer was different. Inside Petra Mayer was an impossibly beautiful, barefoot adolescent who wouldn’t have been seen dead giving her inner child the time of day.”

“But those would be lies and Tris never lied to herself. At least not more than was required to stay human or sane. Lying to others was different. That was what people like her did if they wanted to remain alive.”