Luke: "I'll not leave you here. I've got to save you!"
Vader: "You already have, Luke."
I find your lack of faith disturbing.Darth Vader in Star Wars: Episode IV - A New Hope
Be careful not to choke on your aspirations!Rogue One: A Star Wars Story, by Darth Vader
No, I am your father!Darth Vader in Star Wars: Episode V - The Empire Strikes Back
Jerjerrod: "The Emperor's coming here?"
Vader: "That is correct, Commander, and he is most displeased with your apparent lack of progress."
Jerjerrod: "We shall double our efforts."
Vader: "I hope so, Commander, for your sake. The Emperor is not as forgiving as I am."
Ahsoka Tano: "I won't leave you! Not this time."
Darth Vader: "Then you will die."
This will be a day long remembered. It has seen the end of Kenobi, and will soon see the end of the rebellion.Darth Vader in Star Wars: Episode IV - A New Hope
Don't be too proud of this technological terror you've constructed. The ability to destroy a planet is insignificant next to the power of the Force.Darth Vader in Star Wars: Episode IV - A New Hope
When I left you I was but the learner. Now, I am the master.Darth Vader in Star Wars: Episode IV - A New Hope