Yes. You may be the lovely dust through which God will work his purpose.

Moses (Charlton Heston)

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

You can hear this line at 02:28:09.326 in the Blu-ray version of the movie.

Quote context

[...]

- There is a beauty beyond the senses, Nefretiri. Beauty like the quiet of green valleys and still waters. Beauty of the spirit that you cannot understand.

- Perhaps not.

- But beauty of the spirit will not free your people, Moses. You will come to me or they will never leave Egypt.

- The fate of Israel is not in your hands, Nefretiri.

- Oh, isn't it?

- Who else can soften Pharaoh's heart? Or harden it?

- Yes. You may be the lovely dust through which God will work his purpose.

- Fill every jar in your house with water. Tell the others that for seven days there will be none to drink.

- But this well has never run dry. And the river is high. What does it mean?

- Whose word is that?

- One who knows.

- So fill your jars or go thirsty.

[...]