“Skousen remembered a world falling apart. Kira remembered a world pulling together to save itself. That was the difference. That was why Skousen and the Senate were too afraid to do what it took to solve this. If it was going to get done, it would have to be the plague babies who did it.”

“The last to fall were the buildings, distant and solemn, the gravestones for an entire world.”

“I'm going to cure RM." Marcus laughed. "I wondered when someone would finally get around to that. It's been on my to-do list for ages, but you know how things are: Life gets so busy, and saving the human race is such an inconvenience.”

“Life is too short. It's too precious. We have to live in this world, but we don't have to wallow in it. We don't have to fill our lives with all of this darkness.”

“I've never been this wet in my life, " said Kira. "Even immersed in a bathtub I swear I was dryer than I am now. ""Look on the bright side, " said Marcus. Kira waited. "This is the point at which you would traditionally suggest a bright side. ""I've never been a real traditional guy," said Marcus. "Besides, I'm not saying I know a bright side, I just think this would be a great time to look at one.”

“I didn’t study medicine to watch people die." -Kira”

“Each life has a different purpose, and some people can find their purpose more easily than others. The key, the most important thing you can ever know, is that whatever your purpose is, that's not your only choice""No matter why you're here, no matter why any of us are here, you're never tied down to fate. You're never locked in. You make your own choices, Kira, and you can't let anyone ever take that away from you.”