That is what Gracchus and his friends don't understand.
5 seconds sound clip from the Gladiator (2000) movie soundboard.
You can hear this line at 01:20:10 in the Blu-ray version of the movie.
Quote context
[...]
- He sleeps so well because he's loved.
- I will make Rome the wonder of the ages.
- That is what Gracchus and his friends don't understand.
- All my desires are splitting my head to pieces.
- I think the time is almost right.
- I could announce the dissolution of the Senate at the celebration to honor our father.
- Do you think I should? Are the people ready?
[...]