“Sometimes it's the tiniest things that can mean the difference between life and death.”

“It's funny how things work out sometimes.”

“Show Holmes a drop of water and he would deduce the existence of the Atlantic. Show it to me and I would look for a tap. That was the difference between us.”

“There are many things in life that cannot be explained.”

“Your temperature's normal, though I'd say it's the only thing about you that is.”

“Routine is the one thing the can get you killed. It tells the enemy where you're going and when you're going to be there.”

“I don't know what I'd do without you. There's no one else to look after me. And it's not just that. I sometimes think you're the only person who really knows me. I only feel normal when I'm with you.”