“A friend's loyalty lasts longer than their memory. Over the course of a long friendship, you might fight with your friend, even get angry with them. But a true friend will forget that anger after a while, because their loyalty to their friend outweighs the memory of the disagreement.”

“Unlike the puerile loyalty to a conviction, loyalty to a friend is a virtue - perhaps the only virtue, the last remaining one.”

“Friends are a strange, volatile, contradictory, yet sticky phenomenon. They are made, crafted, shaped, molded, created by focused effort and intent. And yet, true friendship, once recognized, in its essence is effortless.Best friends are formed by time.Everyone is someone's friend, even when they think they are all alone.If the friendship is not working, your heart will know. It's when you start being less than perfectly honest and perfectly earnest in your dealings. And it's when the things you do together no longer feel right.However, sometimes it takes more effort to make it work after all.Stick around long enough to become someone's best friend.”

“Isabelle," she said, lightening her tone with an obvious effort, "your loyalty to your friend is understandable --""He's not my friend." Isabelle looked over at Jace, who was staring at her in a sort of daze. "He's my brother.”

“It's an insane world but in it there is one sanity, the loyalty of old friends”

“He is a Shadowhunter,” said Jocelyn. “His loyalty will be to Clave and Covenant.”“He’s my friend,” said Magnus coldly. “His loyalty is to me.”