“It was a lesson, Magnus thought, to love while you could, love what was fragile and beautiful and imperiled. Nobody was guaranteed forever.”

“When you first loved and the feeling was returned, you thought it would last forever; but it ended and you acquired knowledge of one of life’s significant lessons; the next time you loved, you did so with caution.”

“What more could you want? How about dominion over this 'beautiful place'? Beauty doesn't last. Friends and family decay. Power is the only thing that goes on forever."
Jack answered with his gut. "No, love goes on forever.”

“Ah,” said Magnus. “Nerd love. It is a beautiful thing, while also being an object of mockery and hilarity for those of us who are more sophisticated.”

“One of the most beautiful declarations of love: i would love to have you in my life forever.”

“… the moron who thought love was forever.”

“Softly, Magnus said, "Aku cinta kamu."
"What does that mean?"
Magnus disentangled himself from Alec's grip. "It means I love you. Not that that changes anything.”

“I will love you forever, he thought. I am lying, he thought, and this time he was right.”

“O tender yearning, sweet hoping!
The golden time of first love!
The eye sees the open heaven,
The heart is intoxicated with bliss;
O that the beautiful time of young love
Could remain green forever.”

“The strongest love is the love that can demonstrate its fragility.”