And so... Caesar must give his daughter in marriage to the king of Armenia.

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

You can hear this line at 00:51:00.981 in the Blu-ray version of the movie.

Quote context

[...]

- I want you to take care of these. I wrote them while campaigning in these forests.

- I will watch over them, father.

- I have tried to convince myself, but my fears for the empire are unreasonable. But my fears are reasonable.

- The east is where our danger lies.

- We must make an alliance that will show the whole world what value Rome places on her eastern frontier. An alliance with Armenia.

- And so... Caesar must give his daughter in marriage to the king of Armenia.

- I had hoped the gods would be kind.

- I had hoped you would not have to make a marriage without love.

- Father, you know better than anyone what a marriage without love can mean.

- Yes. Yes. I do.

- I know you love me. Therefore, if you ask me, it can only mean that you must have tried with all your strength to find another way.

- Yes I have.

[...]