“Danger manifests itself in many ways, Peter. Brilliance of mind can be as dangerous as a loaded weapon.”

“The further away from something we are, the more we tend to mistrust it, Peter. we dislike the unknown, we reject anything alien to us: people with views that contradict ours, societies that are run along very different lines.”

“I love you Anna Covey,' he said, his voice barely audible. And slowly, clumsily, he leant forward, and his lips found hers, and Anna felt him kiss her awkwardly, she knew that she wasn't a Surplus any more. And nor was Peter.”

“Many people lost their lives fighting for these rights - to vote, to be free, to work, to be able to get on the same bus as someone considered their superior. And it was the next generations who embedded these changes, who came to view women as equals to men, who came to understand that skin colour is of no relevance. Young people are the future. Without them, the world stands still.”

“Because no one needs to live for ever. I think that sometimes you can outstay your welcome.”

“But I do know that the world is the most beautiful place and that we're lucky to be here. I know that we have to live every moment, because we won't be here forever, and that I wouldn't want to be anyway. Because knowing something's going to end makes you appreciate it more, makes you want to savour every moment.”

“Imagination shows an ability to lie, to pretend the world is different than it is.”