We were afraid you'd find out, so we put on all the decorations last night.
5 seconds sound clip from the Utopia (1951) movie soundboard.
You can hear this line at 01:07:53.930 in the Blu-ray version of the movie.
Quote context
[...]
- Is this the warehouse you've been building? As warehouses go, it's a funny warehouse.
- For me?
- Yes, for you. It sure is easy to fool you.
- Did you really think we were building a refrigerator?
- We were afraid you'd find out, so we put on all the decorations last night.
- You're not content just to be a singer. You've also got to be the comedian.
[...]