The only extraordinary thing about you is your imagination.
5 seconds sound clip from the The Seven Year Itch (1952) movie soundboard.
You can hear this line at 00:16:42 in the Blu-ray version of the movie.
Quote context
[...]
- That will be all, Miss Morris.
- You remember that torn shirt, don't you, Helen? Well, now you know how it happened.
- It got torn at the Chinese laundry. That's how it happened.
- The only extraordinary thing about you is your imagination.
- Last winter, when I had my appendix out, do you happen to remember the nurse?
- The nurse? You mean that sweet little old lady with the gray hair?
- That was the day nurse. But you never saw the night nurse, did you?
- A certain Miss Finch. Poor Miss Finch. She fought it as long as she could. But then one night...
- Richard!
[...]