You mustn't! It could make you very sick.
5 seconds sound clip from the A Funny Thing Happened on the Way to the Forum movie soundboard.
You can hear this line at 01:16:05 in the Blu-ray version of the movie.
Quote context
[...]
- Captain! Captain! Captain, I implore you. It is not for us to destroy such loveliness.
- The gods are awaiting her. They would be angry if we sent up a smoked virgin.
- I cannot afford to offend the gods.
- Who can?
- I will go my melancholy way.
- Very good, sir. Good-bye, sir.
- Not you.
- You mustn't! It could make you very sick.
- The truth is, captain, she died of an illness contracted on Crete.
- The plague! The plague! Run for your lives!
- Silence!
- There is no plague. I have this day returned from Crete, and there is no plague.
- Then what was everyone yelling about?
- I seek the... find me the captain. Don't stand there. Will you... you, find me the captain. I...
[...]