“Isobel’s face burned. Her skin tingled where he’d touched her, with an almost imperceptible electricity that she couldn’t be sure if she was imagining. Like the tips of her fingers had somehow fallen asleep.”

“I almost touch her on the arm as she touched me on the arm, to console her. But I fear that my touch won't tingle her arm as hers tingled mine, and how unbearably sad that would be.”

“She (Annabeth) put her hand on my spine, and my skin tingled. I (Percy) moved her fingers to the one spot that grounded me to my mortal life. A thousand volts of electricity seemed to arc through my body.”

“He couldn’t say it. He couldn’t tell her how much she had come to mean to him. She could destroy him with her rejection. If she had feigned her feelings for him – if he’d bought into her lies and her quest for freedom…. He wasn’t sure what he would do. He could hurt her." Caleb.”

“Oh, Pipo, I'd be glad for you to try. But do believe me, my dear friend, touching her heart is like bathing in ice"I imagine. I imagine it feels like bathing in ice to the person touching her. But how does it feel to her? Cold as she is, it must surely burn like fire.”

“She had fallen asleep with her head on his arm, the clockwork angel, still around her throat, resting against his shoulder just to the left of his collarbone. As she moved away, the clockwork angel slipped free and she saw to her surprise that where it had lain against his skin it had left a mark behind, no bigger than a shilling, in the shape of a pale white star.”