- Did you ever hear the tragedy of Darth Plagueis the Wise?
- No.
- I thought not. It's not a story the Jedi would tell you.

16 seconds sound clip from the Star Wars: Episode III - Revenge of the Sith movie soundboard.

You can hear this line at 00:46:08 in the Blu-ray version of the movie.

Quote context

[...]

- Good is a point of view, Anakin.

- The Sith and the Jedi are similar in almost every way, including their quest for greater power.

- The Sith rely on their passion for their strength. They think inwards only about themselves.

- And the Jedi don't?

- The Jedi are selfless. They only care about others.

- Did you ever hear the tragedy of Darth Plagueis the Wise?

- No.

- I thought not. It's not a story the Jedi would tell you.

- It's a Sith legend.

- Darth Plagueis was a dark lord of the Sith so powerful and so wise, he could use the Force to influence the midi-chlorians to create life.

- He had such a knowledge of the dark side, he could even keep the ones he cared about from dying.

- He could actually save people from death?

[...]