There are strange likenesses between us, after all. Even you must have noticed. Both half-bloods, orphans, raised by Muggles. Probably the only two Parselmouths to come to Hogwarts since the Great Slytherin himself. We even look something alike … but after all, it was merely a lucky chance that saved you from me.
“I want you to listen to me very carefully, Harry. You’re not a bad person. You’re a very good person, who bad things have happened to. Besides, the world isn’t split into good people and Death Eaters. We’ve all got both light and dark inside us. What matters is the part we choose to act on. That’s who we really are.”