If there is one more plague on Egypt, it is by your word that God will bring it.
7 seconds sound clip from the The Ten Commandments (1956) movie soundboard.
You can hear this line at 02:38:15.102 in the Blu-ray version of the movie.
Quote context
[...]
- Sublime, ye Pharaoh. You cannot resist the power of his god!
- I know not his god! Neither will I let his people go.
- How long will you refuse to humble yourself before God?
- If you bring another plague upon us, it is not your god but I who will turn the Nile red with blood.
- As your father's father turned the streets of Goshen red with the blood of our male children!
- If there is one more plague on Egypt, it is by your word that God will bring it.
- And there shall be so great a cry throughout the land that you will surely let the people go.
- Come to me no more, Moses, for on the day you see my face again, you will surely die.
- I will give this spawn of slaves and his god an answer the world will not forget!
- Commander of the Host, call on the chariots from Tanis.
[...]