I understand perfectly.
3 seconds sound clip from the The High and the Mighty (1954) movie soundboard.
You can hear this line at 00:31:10 in the DVD version of the movie.
Quote context
[...]
- You hedged, Captain. You didn't answer my question.
- Come now, be a good honest fellow and tell me exactly what frightened you?
- Well, well, they were technical incidents.
- I don't think you'd understand, Mr. Pardee.
- For some reason, you were afraid you wouldn't reach your biblical span of life.
- Which is precisely what's bothering me at the moment.
- I'm convinced I couldn't swim from here to the nearest shore.
- You won't have to swim, Mr. Pardee.
- Suppose one of your motors ceases to function?
[...]