"Mel rolled her eyes. 'You can't live your life based on 'what-ifs,' Liv. And change is inevitable. It's the one thing you can always count on. Stop worrying about what might or not happen and follow your heart. How can you expect to ever be happy if you don't?"

"Happiness is the most natural thing in the world when you have it, and the slowest, strangest, most impossible thing when you don't. It's like learning a foreign language: You can think about the words all you want, but you'll never be able to speak it until you suck up your courage and say them out loud."

"This allowed her two glorious hours sitting quietly by herself in a cozy corner, devouring one book after another. When she had read every single children's book in the place, she started wandering round in search of something else."

"Moderate desires constitute a character fitted to acquire all the good which the world can yield. He who has this character is prepared in whatever situation he is therewith to be content and has learned the science of being happy."

"A thorn in your side will drive you to find someone or thing to remove it. Therefore, don't hate your enemies. Thank them. Without them, you wouldn't have traveled as far in your life to find peace and happiness."

"[Grace talking to Billy.] 'It's like people who want to feel only happy but not sad,' she said. 'It never works. You either feel things or you don't. You don't get to pick and choose. At least, I don't think so."

"Everything was hysterically funny, even the playground slide was smiling at us, and at some point, deep in the night, when we were winging on the jungle gym and showers of sparks were flying out of our mouths, I had the epiphany that laughter was light, and light was laughter, and that this was the secret of the universe."