Obi-Wan Kenobi: It’s over, Anakin. I have the high ground.

Anakin Skywalker: You underestimate my power.

From Star Wars: Episode III – Revenge of the Sith (2005)

Quote from Star Wars: Episode III - Revenge of the Sith (2005) - Obi-Wan Kenobi: It's over, Anakin. I have the high ground. Anakin Skywalker: You underestimate my power.

Lucasfilm