there 's nobody weird hanging around the building ? '' you see , your probe brought back material that is different from anything that we have ever seen . i found something the last time i was here . '' what good would it do to run away if someone knew where to find me ? i scrubbed my hands briskly over my arms , which prickled with goose bumps . `` we shall make a terrible pair together , then . '' `` the responsibility for our being here is yours , whether it was a mistake or not ! 