However, for some of us, it’s different. Some mudbloods are considered desirable. When I was released from custody, I, being highly intelligent and very pretty if I work at it, was labelled "good breeding stock." My blood was actually worth something. That surprised me. It meant that the Death Eaters, or at least the Dark Lord, could look at the concept of blood on a fairly high level—high enough not to be blinded by prejudice entirely, anyway. Of course, the Dark Lord has some personal experience that blood isn’t everything. I’m talking about Snape, of course. I’m sure the Dark Lord’s pedigree is as pure as anyone’s.