Well, that's obviously a dangerous way to spend your time.
5 seconds sound clip from the Days of Thunder movie soundboard.
You can hear this line at 00:46:32 in the Blu-ray version of the movie.
Quote context
[...]
- Good morning, gentlemen. Right this way.
- So, neither Mr. Burns, nor in this case, Mr. Trickle present any significant intracranial injury.
- Now hold it, Doc. Let's have that one in English. Did they mess up their squash or not?
- Their brains are intact. As much as they were before the accident anyway.
- You're willing to give them clearance to get back on a racetrack?
- Well, that's obviously a dangerous way to spend your time.
- That's a philosophical objection, Doc, and I'm looking for a medical one.
- I'm not inclined to give them clearance at this time.
- I think they're saying they would like another opinion. We would like to talk to your boss.
[...]