Yes, and in a republic the senate has the power. But Senator Gaius isn't influenced by that, of course.
7 seconds sound clip from the Gladiator (2000) movie soundboard.
You can hear this line at 00:19:47 in the Blu-ray version of the movie.
Quote context
[...]
- Senator Gaius, Senator Falco.
- Well, why not? Rome was founded as a republic.
- Where do you stand, General? Emperor or Senate?
- A soldier has the advantage of being able to look his enemy in the eye, Senator.
- Well, with an army behind you, you could be extremely political.
- I warned you. Now I shall save you.
- I'm going to need good men like you.
[...]