The Jedi Council would have to take control of the senate in order to secure a peaceful transition.
6 seconds sound clip from the Star Wars: Episode III - Revenge of the Sith movie soundboard.
You can hear this line at 01:01:41 in the Blu-ray version of the movie.
Quote context
[...]
- Anakin, deliver this report to the chancellor. His reaction will give us a clue to his intentions.
- I sense a plot to destroy the Jedi.
- The dark side of the Force surrounds the chancellor.
- The Jedi Council would have to take control of the senate in order to secure a peaceful transition.
- To a dark place this line of thought will carry us. Hmm. Great care we must take.
- Chancellor. We've just received a report from Master Kenobi. He has engaged General Grievous.
- We can only hope that Master Kenobi is up to the challenge.
[...]