The power of your God is a cheap magician's trick.
4 seconds sound clip from the The Ten Commandments (1956) movie soundboard.
You can hear this line at 02:21:02.313 in the Blu-ray version of the movie.
Quote context
[...]
- Who is this God that I should let your people go?
- Aaron. Cast down my staff before Pharaoh that he may see the power of God.
- In this you shall know that the Lord is God.
- Mother! Mother! He turned his staff into a cobra!
- Nothing of his will harm you, my son.
- The power of your God is a cheap magician's trick.
- Moses' serpent swallows up the others.
- Hear his word, Ramses, and obey.
[...]