Their hatred will live for centuries to come.

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

You can hear this line at 02:25:01.185 in the Blu-ray version of the movie.

Quote context

[...]

- Strip all the public monuments, the temples, the gods and goddesses.

- Get me enough gold, Cleander, to drown Livius, and his new Rome.

- Destroy the Barbarians!

- Men of Rome! Men of Rome! Do not touch these people! They've become your brothers! Let them live in peace, they are Romans now! Do not harm them!

- The whole northern people will answer with death and fire!

- Their hatred will live for centuries to come.

- Romans and Roman blood will pay for this.

- You will make nations of killers out of them!

- Put aside your weapons, let us live together in peace! Peace!

- What happened, gentle Greek? Did you try to tell them there were three possibilities? Did you not know that there was a fourth possibility?

[...]