Obi-Wan Kenobi: It's over, Anakin! I have the high ground!
Darth Vader: You underestimate my power!
Obi-Wan Kenobi: Don't try it.
Darth Vader: You underestimate my power!
Obi-Wan Kenobi: Don't try it.
Obi-Wan Kenobi : It's over, Anakin! I have the high ground!
Darth Vader : You underestimate my power!
Obi-Wan Kenobi : Don't try it.
http://www.moviequotedb.com/movies/star-wars-episode-iii-revenge-of-the-sith/quote_22614.html