Wouldn't it be strange, she thought, to have a blue sky? But she liked the way it looked. It would be beautiful - a blue sky.

Doon was touched. Kenny looked like a tiny little wisp, but there was something strong inside him. --People of Sparks--

People didn't make life, so they can't destroy it. Even if we were to wipe out every bit of life in the world, we can't touch the place life comes from. Whatever made the plants and animals and people spring up in the first place will always be there, and life will spring up again.

She realized all at once that Doon, thin, dark eyed Doon, with his troublesome temper and his terrible brown jacket, and his good heart---- was the person she knew better than anyone now. He was her best friend. --City of Ember--

A person who thought he knew everything simply didn’t understand how much there was to know.

What you need to learn, children, is the difference between right and wrong in every area of life. And once you learn the difference, you must always choose the right.

Maybe there was no happily ever after [...] but there was happiness sometimes and she had it now, doing what she knew she was born for.