“We are one now, little brother, you and I," Sebastian said. "We are one.”
“We came into the world like brother and brother,And now let's go hand in hand, not one before another.”
“He taught me there's a place on a man's back where, if you sink a blade in, you can pierce his heart and sever his spine, all at once,' Sebastian had said. 'I guess we got the same birthday present that year, big brother,' Jace thought. 'Didn't we?”
“Big brothers are the ones who are supposed to pull their punches. Little sisters—well, we should be ableto hit as hard as we like, shouldn’t we?”
“I don't care what you think. You're not my brother," Clary said. "You're a murderer.""I really don't see how those things cancel each other out," said Sebastian.”
“I am Sebastian, or Sebastian is I, or perhaps we both are someone whom neither of us knows.”