Everybody's always sayin' what goes up must come down. With any luck, it'll work both ways. What goes down must come up. 'Course it's just a theory. Won't know for sure till we try it out.
18 seconds sound clip from The New Adventures of Winnie the Pooh - Where Oh Where Has My Piglet Gone? / Up, Up and Awry (S2E7).
You can hear this line at 00:14:50.200 in the Blu-ray version of the TV Series.
Quote context
[...]
- My mornings aren't complete without at least one major catastrophe.
- It would seem that the first thing about learning to fly is learning to land.
- And how exactly will this help me fly, Eyeore?
- Why, Eyeore! I believe it's going to work!
- But, Rabbit, Pooh can't fly.
- Of course he can't fly. And we have to stop him.
- Until the skies are free of Poohs, none of us will be safe.
- Just when we're least expecting it...
[...]