" I couldn't. I just needed a few more seconds, a few more seconds to drink him in before I killed him. And that's when he spoke.
"Roza." His voice had that same wonderful lowness, the same accent.. it was all just colder. "You forgot my first lesson: don't hesitate."
I just barely saw his fist striking out toward my head.. and then I saw nothing at all. "

― Richelle Mead , Blood Promise (Vampire Academy, #4)