It is not my son who will die! It is... It is the first-born of Egypt! It is your son, Nefretiri!

6 seconds sound clip from the The Ten Commandments (1956) movie soundboard.

You can hear this line at 02:42:47.684 in the Blu-ray version of the movie.

Quote context

[...]

- She's gone with your son to Midian.

- Why would she leave?

- She knew you would try to save the other children before your own son.

- Save the other children? From what?

- Ramses is massing the Libyan axmen, the chariots, the Sardinian swordsmen.

- Why? Tell me why!

- To destroy the first-born of Israel.

- Oh, God! My God! Out of his own mouth comes thy judgment!

- But I have saved your son, Moses.

- It is not my son who will die! It is... It is the first-born of Egypt! It is your son, Nefretiri!

- No. You would not dare strike Pharaoh's son!

- In the hardness of his heart, Pharaoh has mocked God, and brings death to his own son!

- But he's my son, Moses. You would not harm my son?

- By myself, I am nothing. It is the power of God which uses me to work his will.

[...]