People are afraid of you, Arty. Girls are terrified of you. You’re a fifteen-year-old in a bespoke suit, and nobody died.

It's like learning to ride a unicorn. You never forget.

Oh,It's going to be so easy to kill you",scoffed Opal.

Artemis turned and stared at his friend with the blue eyes. Holly was staring back, and she was smiling. “I remember,” she said aloud. “You saved me.” Artemis smiled back. “It never happened,” he said.

If you were me, then I'd be you, and if I were you, then I'd hide somewhere far away.

(about his terrible attempt at making a sandwich) It's more difficult than it looks. (Artemis Fowl)

Ma was using her for-company voice. Sweet on the outside but with an underlying death threat.