"Before I am your daughter, your sister, your aunt, niece, or cousin, I am my own person, and I will not set fire to myself to keep you warm."(с)
Jace’s eyes began to close. “And you won’t leave me?”
“No,” Alec said. “No, we won’t ever leave you. You know that.”
“Never.” Isabelle took his hand, the one Alec wasn’t holding, and pressed it fiercely. “Lightwoods, all together,” she whispered. Jace’s hand was suddenly damp where she was holding it, and he realized she was crying, her tears splashing down—crying for him, because she loved him; even after everything that had happened, she still loved him. They both did.
-City of Lost Souls, Epilogue