Why not?
2 seconds sound clip from the Trading places (1983) movie soundboard.
You can hear this line at 00:19:47 in the Blu-ray version of the movie.
Quote context
[...]
- If he were somehow disgraced and arrested by the police and thrown in jail, even.
- Yes, I'm sure he'd take to crime like a fish to water.
- We've done it before. This time it's in a good cause.
- How much do you want to bet?
- Why not?
- Someone has to take a stand against criminals like that.
- But he could have killed you.
- In such a situation, you have no time to think - instinct takes over. It's either kill or be killed.
[...]