A certain clan passed down the sage's way of ninshu for generations but have mistaken it for and altered it into ninjustu. With this "ninjutsu" as a base, they developed more ninjutsu. Eventually, they made a name for themselves. We've known them since nearly the beginning of Naruto; they're...
well a couple of things:
1) it's possible for sasuke to get the rinnegan, but i don't think he will
2) orochimaru isn't the kind of guy to talk about peace
besides that, it was pretty good