“The doctor was a private man, engaged in a dark and dangerous business, and could ill afford the prying eyes and gossiping tongue of the servant class.”

“These are the secrets I have kept. This is the trust I never betrayed.But he is dead now and has been for more than forty years, the one who gave me his trust, the one for whom I kept these secrets...”

“You can only call someone crazy if there's someone else who's normal.”

“Nothing is more painful than the loneliness of being with someone who is never completely there.”

“I am like the water that runs over me, immune to permanence, recycling endlessly. I am water; I am life. The form may change, but the substance stays the same. Strike me down and I will rise again....”

“You can't band together to fight without trust. And without trust, there was no hope.”

“We are humanity, the banner read. Wrong. Were pale reflections of it, weak shadows, distant echoes.”

“We all know interspecies romance is weird.”

“Depression isn't a war you win. It's a battle you fight every day. You never stop, never get to rest. It's one bloody fray after another.”

“When you expect the world to end at any moment, you know there is no need to hurry. You take your time, you do your work well.”

“If it happens that the human race doesn't make it, then the fact that we were here once will not be altered, that once upon a time we peopled this astonishing blue planet, and wondered intelligentl...”

“I like living in my head because in there, everyone is kind and innocent. Once you start integrating yourself into the world, you realize that people are nasty, mean creatures. They're worse than z...”

“But if I'm it, the last of my kind, the last page of human history, like hell I'm going to let the story end this way. I may be the last one, but I am the one still standing. I am the one turning t...”

“I've decided to trust him, but like somebody once said, you can't force yourself to trust. So you put all your doubts in a little box and bury it deep and then try to forget where you buried it. My...”

“That's my name. Not Cassie for Cassandra. Or Cassie for Cassidy. And it's not Cassie for Cassiopeia. Not anymore. I am more than her now.I am all of them, Evan and Ben and Marika and Megan and Sam....”