" He raised his eyes to look at her and she was suddenly and strangely reminded of being four years old at the beach, crying when the wind came up and blew away the castle she had made. Her mother had told her she could make another one if she liked, but it hadn’t stopped her crying because what she had thought was permanent was not permanent after all, but only made out of sand that vanished at the touch of wind or water. "
― Cassandra Clare , City of Ashes (The Mortal Instruments, #2)