"I don't care to kill if I don't have to, myself. In fact, I'm alive only because Moody was professional enough to take me that way. Still, in a war, you do what you have to."
Antonin sighed, "I train my fighting students to survive, by whatever means necessary. If, in my judgment, it is necessary to throw strong curses at them, I will do so. Better a little hurt in training, than getting killed on the battlefield."
He smiled slightly, and leaned back in his chair. "Would it make you feel any better if I showed you what I mean?"