"It's alive!"
"What is it?"
"It's nothing. It's tiny. One of those insignificant little power cells that no one ever bothers about, and it's clinging onto life, with one little ounce of reality tucked away inside."
"Enough to get us home?"
"Not yet. I need to charge it up."
"I have to say I am an optimist. I’ve always been built that way. I’m quite a happy person. I can find joy in lots of things. I just am happy. I don’t have to look for it. I don’t have to do things to encourage my sense of optimism. I have it anyway."