Quintus and the Praetorians would simply seize control for themselves.

5 seconds sound clip from the Gladiator (2000) movie soundboard.

You can hear this line at 01:24:44 in the Blu-ray version of the movie.

Quote context

[...]

- And how? He's going to dissolve the Senate.

- And who will tell them before it's too late? You, Gracchus? You, Gaius?

- Will you make a speech on the floor of the Senate, denouncing my brother? And then see your family in the Colosseum? Who'd dare?

- I have been living in a prison of fear every day, because my son is heir to the throne.

- He must die.

- Quintus and the Praetorians would simply seize control for themselves.

- No. Cut off the head and the snake cannot strike.

- Lucilia, Gaius is right.

- Until we can neutralize the Praetorians, we can achieve nothing.

- So we do nothing?

- No, child. We keep our counsel. We prepare.

[...]