Wait," said Butler. "Just wait, Holly. Artemis has a plan." He squinted through the green dome. "What is your plan, Artemis?" All Artemis could do was smile and shrug.

Butler was seeing the world as it was, complete with L.E.P retrival team

You display inordinate pride for someone who has completed a task which could have been performed by a lesser primate in a shorter time.

...This is the only way. I will not allow humans or fairies to die when I might have prevented it.” Butler would not give up. “Listen to yourself. You sound like a... like a good guy! There’s nothing in this for you.

Sometimes plans don't translate smoothly from paper to real life.

Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know.

Holly winked. 'Do I look like a fly boy to you, Fowl?' Artemis had to admit that she didn't. Captain Short was extremely pretty in a dangerous sort of way. Black-widow pretty. Artemis was expecting puberty to hit in approximately eight months, and he suspected that at that point he would look at Holly in a different light. It was probably just as well that she was eighty years old.