Believe me when I say that what you are doing places yourself and the rest of your party in the gravest danger.
6 seconds sound clip from the The Mummy (1959) movie soundboard.
You can hear this line at 00:05:53.680 in the Blu-ray version of the movie.
Quote context
[...]
- You must not continue digging here.
- Why on earth not? We've got all the necessary permits, haven't we, Joseph?
- I'm not interested in permits.
- You're not from the Egyptian government?
- Oh. There's no more to be said.
- Mr Banning, please? Allow me to appeal to your reason.
- If you persist in continuing with this operation, I cannot answer for the consequences.
- Nobody's asking you to, sir. And now if you'll excuse me...
- Mr Banning! You would do well to remember the ancient saying...
- He who robs the graves of Egypt dies.
- Now, for the last time, please stop what you're doing and leave this place.
[...]