Come on.
3 seconds sound clip from the Jason and the Argonauts (1963) movie soundboard.
You can hear this line at 00:21:48 in the Blu-ray version of the movie.
Quote context
[...]
- Like you, I came too late to compete in the games.
- After all, he might need brains as well as brawn.
- Discus?
- Come on.
- See that rock? No thrower has ever reached it.
- And is the contest to hit it or pass it?
- You'll be lucky if you get halfway. Now, go on.
- No, after you, Hercules. I've never thrown a discus before. I'd like to see how it's done.
[...]