“You couldn't change the past. You could only go forward”

“The warlock's gaze, on the flames, was remote and distant, as if he were looking back into the past. Simon couldn't help but remember what Magnus had said to him once, about living forever:Someday you and I will be the only two left.”

“So when the moon's only partly full, you only feel a little wolfy?" "You could say that.""Well, you can go ahead and hang your head out the car window if you feel like it.""I'm a werewolf, not a golden retriever.”

“You could give me the past,“ he said a little sadly. “But Alec is my future.”

“Growing up happens when you start having things you look back on and wish you could change -Clary Fray”

“Do not regret too much the choices you have made in the past, Gabriel," she said, aware that she was using his Christian name, but not able to help it. "Only make the right ones in the future. We are ever capable of change and ever capable of being our better selves.”

“The only time people turned to watch her go by was when she hurtled past them as she fell.”