Oh, I don't know, sir.
5 seconds sound clip from the The Big Lebowski movie soundboard.
You can hear this line at 00:22:47 in the Blu-ray version of the movie.
Quote context
[...]
- I've accomplished more than most men and without the use of my legs.
- What makes a man, Mr. Lebowski?
- Is it being prepared to do the right thing, whatever the cost? Isn't that what makes a man?
- Sure, that and a pair of testicles.
- You're joking, but perhaps you're right.
- Bunny.
[...]