"L-let me write you some more library passes," Professor Quirrell said mildly. "The Unforgiveable Curses are of course illegal in this age of p-peace, but the theory is q-quite interesting. And you should certainly read more about Lord Voldemort. A very interesting w-wizard. He did gr-great things. Terrible, of course. But great." Hermione felt his tacked-on disclaimer was just as superficial and cursory as hers had been.