It's King Titus or those rebels. Thus it is written.
5 seconds sound clip from the Duel of the Titans (Romulus and Remus) movie soundboard.
You can hear this line at 01:03:37.800 in the Blu-ray version of the movie.
Quote context
[...]
- We'll cut down every last one of those accursed traitors.
- But if the caravan is doomed already, why should we risk the dangers of the mountain?
- It would be wiser to wait here.
- Yours is not the counsel of wisdom, but of fear.
- Everyone shall learn how a Sabine king takes revenge for an affront.
- It isn't only because of my daughter. There's something more mysterious and important at stake.
- It's King Titus or those rebels. Thus it is written.
- Push those wagons! Hurry! Faster!
- Romulus, Remus, look... a bridge! See it?
- It'll hold only a few people at a time.
- Yes, we'll have to leave the wagons behind. Abandon the wagons!
[...]