One elephant climbs up on top of another elephant, until, finally, all 17 elephants have constructed an enormous pyramid of pachyderms.
15 seconds sound clip from the Dumbo (1941) movie soundboard.
You can hear this line at 00:25:31 in the Blu-ray version of the movie.
Quote context
[...]
- You know, we gotta get an idea. Not just any idea, something colossal. Like...
- Have I got an idea! What an idea! Huh!
- He never had an idea in his life.
- I step out. I blow the whistle. The trumpets are trumpeting.
- Yeah!
- And now... comes the climax!
- I knew he never had nothin'.
- Well, maybe it comes to me in a vision while I dream. Good night, Joe.
[...]