I'm 37. I'm not old.
5 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.
You can hear this line at 00:09:18 in the Blu-ray version of the movie.
Quote context
[...]
- I don't know. Must be a king.
- Why?
- He hasn't got shit all over him.
- Man!
- What knight lives in that castle over there?
- I'm 37.
- I didn't know you were called Dennis.
- You didn't bother to find out, didn't you?
- I did say sorry about the old woman, but from behind you look...
[...]