How do you know these things?
3 seconds sound clip from the The High and the Mighty (1954) movie soundboard.
You can hear this line at 00:12:55 in the DVD version of the movie.
Quote context
[...]
- You're sure about our connecting with that New York plane?
- You'll make it with time to spare.
- We'll make it with time to spare.
- That little lady had a grandfather who left her both brains and riches.
- She bought her husband an advertising agency not long ago, because he wanted a new toy.
- How do you know these things?
- I used to be a night clerk in a Nevada hotel.
- Flight 7 for San Francisco now loading.
[...]