Yoda: If so powerful you are... why leave? Darth Sidious: You will not stop me! Darth Vader will become more powerful than either of us! Yoda: Faith in your new apprentice, misplaced may be. As is your faith in the dark side of the Force.
Anakin Skywalker: What have I done? Darth Sidious: You are fulfilling your destiny, Anakin. Become my apprentice. Learn to use the dark side of the Force. Anakin Skywalker: I will do whatever you ask. Just help me save Padme's life. Darth Sidious: To cheat death is a power only one has achieved, but if we work together, I know we can discover the secret. Anakin Skywalker: I pledge myself to your teachings. To the ways of the Sith. Darth Sidious: Good. Good. The Force is strong with you. A powerful Sith you will become. Henceforth, you shall be known as Darth... Vader. Anakin Skywalker: Thank you. my Master. Darth Sidious: Lord Vader... rise.