My heart tells me this is the best and greatest feeling I have ever had. But my mind knows the difference between wanting what you can’t have and wanting what you shouldn’t want. And I shouldn’t want you.

You can't forget the things you did in the past, or you'll never learn from them.

We’re Nephilim. Every one of our life’s passages has some mystical component — our births, our deaths, our, marriages, everything has a ceremony and a rune. There is one as well if you wish to become someone’s parabatai. It’s no small commitment.

Some people value sentiments over diamonds.

I take your hand, brother, so that you may go in peace.

Listen to me. I am leaving, but I am living. I will not be gone from you entirely, Will. When you fight now, I will be still by you. When you walk in the world, I will be the light at your side, the ground steady under your feet, the force that drives the sword in your hand. We are bound, beyond the oath. The Marks did not change that. The oath did not change that. It merely gave words to something that existed already.

Look, it's easy to outsmart a werewolf or a vampire," Jace said. "They're no smarter than anyone else. But faeries live for hundreds of years and they're as cunning as snakes. They can't lie, but they love to engage in creative truth-telling. They'll find out whatever it is you want most in the world and give it to you—with a sting in the tail of the gift that will make you regret you ever wanted it in the first place." He sighed. "They're not really about helping people. More about harm disguised as help.