“Could it think, the heart would stop beating.”

“Can a heart break, once it's stopped beating?”

“It goes on, terrifyingly repetitive. One could not do without repetition in life, like the beating of the heart, but it was also true that the beating of the heart was not all there was to life.”

“You need to stop thinking with your head, Mud Boy, and start thinking with your heart.”

Artemis sighed. The heart was an organ for pumping oxygen-rich blood to the cells. It could no more think than an apple could tap-dance.”

“I'm always going to keep your heart safe, even if mine has to stop beating for that to happen.”

“There in that pool stained with green blood, he had learned two things: one was that all the pain stopped when you stopped fighting death; and the other was that as long as you could still hear your heart beating, you had to keep fighting back.”

“Your heart literally hurts when it's breaking. You can feel it, every beat another ache, and nothing you can do will stop it, either from beating or breaking.”

“The only way to beat the competition is to stop trying to beat the competition.”

“All humans are musical. Why else would the Lord give you a beating heart?”

“I could hear my heart beating. I could hear everyone's heart. I could hear the human noise we sat there making, not one of us moving, not even when the room went dark.”