• One must always be careful of books,' said Tessa, 'and what is inside them, for words have the power to change us.' 'I'm not sure a book has ever changed me,' said Will. 'Well there is one volume that promises to teach one how to turn oneself into an entire flock of sheep-' 'Only the very weak minded refuse to be influenced by literature and poetry,' said Tessa, determined not to let him run wildly off with the conversation.

    Cassandra Clare (2013). “The Infernal Devices: Clockwork Angel; Clockwork Prince; Clockwork Princess”, p.88, Simon and Schuster