"We are the Children of Salazar, the best practitioners of the Dark Arts of Hogwarts. Some of us are here by right, others have earned it. You, of course, were just lucky." He emphasized the last word with contempt. "You seem unhappy about it. You're offending me. You nearly got us caught last night. If Corner hadn't set things right, we'd be in trouble and you'd be dead. Where's your gratitude?"