He stared at him for a moment, then shook his head. "If I did, then I suspect it's only because he let me. Sensei always did know more jutsu than he was willing to part with, so I doubt I could defeat him any other way."

He hitched a shoulder up in a shrug. "So far as the rest... I've never had any students to endanger. I'm not like Jiraiya who picks up every stray orphan that catches his eye."