And a little more knowledge might light our way.
5 seconds sound clip from the Star Wars: Episode III - Revenge of the Sith movie soundboard.
You can hear this line at 01:30:57 in the Blu-ray version of the movie.
Quote context
[...]
- It requests all Jedi to return to the temple. It says the war is over.
- Well, then we must go back. If there are any stragglers, they will fall into the trap and be killed.
- Hmm. Suggest dismantling the coded signal, do you?
- Yes, Master. There is too much at stake.
- I agree.
- And a little more knowledge might light our way.
- The plan has gone as you had promised, my lord.
- You have done well, Viceroy.
- When my new apprentice, Darth Vader, arrives, he will take care of you.
- We're receiving a message from the chancellor's office, sir.
[...]