Well, if I must give an explanation, it was stuffy in here. I can't be shut up all the time.
5 seconds sound clip from the The Mummy (1932) movie soundboard.
You can hear this line at 00:55:28.400 in the Blu-ray version of the movie.
Quote context
[...]
- My pool is sometimes troubled. One sees strange fantasies in the water, but they pass like dreams.
- My dog! Wolfram! Wolfram! Where is he?
- Helen, where have you been? We've been so worried. We've hunted everywhere.
- Yes.
- Muller's down in the Arab quarter now.
- Well, if I must give an explanation, it was stuffy in here. I can't be shut up all the time.
- Besides, I don't like the feeling that I'm always being watched. I took the dog with me.
- But how?
- Where?
- But I can see it now, standing on poor Wolfram's back, a white cat.
- A white cat? The cat goddess, Bast.
- Yes, there was a statue of Bast.
- The goddess of evil sendings!
[...]