I don't know, Ed.
3 seconds sound clip from the Mister Ed movie soundboard.
You can hear this line at 00:04:01 in the DVD version of the movie.
Quote context
[...]
- I know I could sell Mr. Addison these plans if only I could be with him when he looked at them.
- Why don't you take him to lunch, hmm?
- I mean, I'd feel funny just inviting him in out of the blue, you know what I mean?
- Be subtle. Lead up to that invitation.
[...]