“Human beings never enjoy complete happiness in this world.”

“It can never be, sir; it does not sound likely. Human beings never enjoy complete happiness in this world. I was not born for a different destiny to the rest of my species: To imagine such a lot befalling me is a fairy tale - a day-dream.”

“And they're also very foolish, because no human being can ever make another human being completely happy. Human beings are far too imperfect for that.”

“To be poor and be without trees, is to be the most starved human being in the world. To be poor and have trees, is to be completely rich in ways that money can never buy.”

“During this kind of highly structured, self-motivated hard work, Csikszentmihalyi wrote, we regularly achieve the greatest form of happiness available to human beings: intense, optimistic engagement with the world around us. We feel fully alive, full of potential and purpose--in other words, we are completely activated as human beings.”

“What she never understood was that success was not about money but more about doing something you enjoyed and being happy about it.”