How we cite our quotes: All quotations are from Star Wars: Return of the Jedi.
Quote #7
DARTH VADER: Now, go, my son. Leave me.
LUKE: No, you're coming with me. I'll not leave you here. I've got to save you.
DARTH VADER: You already have, Luke. You were right. You were right about me. Tell your sister you were right.
Even though he's about to kick the bucket, Anakin feels that he's already been saved by Luke's faith in him. The fact that Luke can forgive him for all of the truly heinous, deplorable, downright nasty stuff he's done is the definition of redemption.