Lilith

“Have you fallen in love with the wrong person yet?'
Jace said, "Unfortunately, Lady of the Haven, my one true love remains myself."
..."At least," she said, "you don't have to worry about rejection, Jace Wayland."
"Not necessarily. I turn myself down occasionally, just to keep it interesting.”
― Cassandra Clare, City of Bones

“Investigation?" Isabelle laughed. "Now we're detectives? Maybe we should all have code names."
"Good idea," said Jace. "I shall be Baron Hotschaft Von Hugenstein.”
― Cassandra Clare, City of Bones

“Out of the corner of her eye she thought she saw Jace shoot her a look of white rage - but when she glanced at him, he looked as he always did: easy, confident, slightly bored.
"In future, Clarissa," he said, "it might be wise to mention that you already have a man in your bed, to avoid such tedious situations."
"You invited him into bed?" Simon demanded, looking shaken.
"Ridiculous, isn't it?" said Jace. "We would never have all fit."
"I didn't invite him into bed," Clary snapped. "We were just kissing."
"Just kissing?" Jace's tone mocked her with its false hurt. "How swiftly you dismiss our love.”
― Cassandra Clare, City of Bones

“The virtue of angels is that they cannot deteriorate; their flaw is that they cannot improve. Man's flaw is that he can deteriorate; and his virtue is that he can improve.”
― -Hasidic saying