“We can't go back, Alexa", he said. " We can't go back once we've started growing up, and the world can't be made simple again.”

“Once we've tasted being alive, we can't go back to being dead. Aliveness in God is addictive.”

“You can't go back; I can't go back either, but we can go on.”

“But we can't go back. We can only go forward.”

“...the dark ancestral cave, the womb from which mankind emerged into the light, forever pulls one back - but...you can't go home again...you can't go...back home to the escapes of Time and Memory. You Can't Go Home Again”

“And we could have all this,' she said. 'And we could have everything and every day we make it more impossible.''What did you say?''I said we could have everything.''We can have everything.''No, we can't.''We can have the whole world.''No, we can't.''We can go everywhere.''No, we can't. It isn't ours anymore.''It's ours.''No, it isn't. And once they take it away, you never get it back.”