I am trying to prevent the disaster my brother has set upon us.

3 seconds sound clip from the The Fall of the Roman Empire (1964) movie soundboard.

You can hear this line at 02:10:01.380 in the Blu-ray version of the movie.

Quote context

[...]

- You're a part of this, Lucilla?

- I am a great part of this.

- Part of rebellion?

- We are breaking away from Rome. We will make our own empire here in the East. An eastern empire.

- An eastern empire! You will make chaos! What will hold you together? What will you do but divide the empire?

- But not if you'd join us, Livius. We will have all of Rome greater than ever.

- What have you done, Lucilla?

- I am trying to prevent the disaster my brother has set upon us.

- They may be a great deal of wrong with what Commodus has done, but this is not the way to oppose him.

- I cannot let you destroy the empire!

- Cannot? Cannot? If you cannot then take your army back to Rome. Let us make our own destiny here.

- And let rebellion go on unpunished?

[...]