Wilbur Post happens to be a very fine ventriloquist.
6 seconds sound clip from the Mister Ed movie soundboard.
You can hear this line at 00:20:59 in the DVD version of the movie.
Quote context
[...]
- Wilbur Post? What do you see in that dud?
- Wilbur Post is a very talented young man.
- Well, I suppose he's a fairly good architect.
- And a very amusing young man.
- Amusing?
- Wilbur Post happens to be a very fine ventriloquist.
- He's lucky to get words out of his own mouth.
- How much did you beat me for today?
- Well, 4 dollars and this 5 makes 9. Why?
- For once, I would like to come out ahead of you.
- Would you care to wager 10 dollars that Wilbur Post is a ventriloquist?
[...]