It's the most ridiculous story I've ever heard. Absolutely preposterous!
6 seconds sound clip from the The Time Machine (1960) movie soundboard.
You can hear this line at 01:36:12 in the Blu-ray version of the movie.
Quote context
[...]
- I was going the wrong way! Back! Back! I had to go back!
- It's the most ridiculous story I've ever heard. Absolutely preposterous!
- There's one thing I'll say for old George, you always could tell a good yarn.
- You're a truly great inventor, George.
- I think you ought to retire, sir.
- Well, truthfully, George, where have you been the past week?
- You shouldn't ask such questions, Walter.
[...]