Quotes from book
Clockwork Princess

Clockwork Princess is a fantasy novel written by young adult author, Cassandra Clare. It is the third and final installment of The Infernal Devices trilogy, following the first book, Clockwork Angel, and the second book, Clockwork Prince. It is written in the third person through the perspective of the main protagonist, Tessa Gray, who resides in the Shadowhunter's London Institute. This final installment follows Tessa and her friends as they face off against the series main antagonist, The Magister , who plans to completely obliterate the Shadowhunter race.

“Every heart has its own melody," he said. "You know mine.”
Variant: Every heart has its own melody.
Source: Clockwork Princess

“Mr. Lightwood," she said, raising herself up on her elbows. "Are thoseunder your bed?”
Source: Clockwork Princess

“Tessa touched his wrist lightly with her hand. "Be brave," she said. "It's not a duck, is it?”
Source: Clockwork Princess