I believe I would have stayed up that time, had I not come down.
5 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 00:15:44.277 in the Blu-ray version of the TV Series.
Quote context
[...]
- 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...
- Pooh really is trying to fly.
- I believe I would have stayed up that time, had I not come down.
- Why, the whole idea is hippoposterous! Isn't it? Of course, it is... I think.
- I know! We'll ask Owl! He'll know if Pooh bears were meant to fly.
- You blow up a balloon, it floats. Same thing ought to work for bears.
[...]
Top rated lines from this movie
Funny quotes and catchphrases from The New Adventures of Winnie the Pooh TV Series, featuring short sound clips and sfx.
Actors: Jim Cummings (Winnie the Pooh), Paul Winchell (Tigger), Peter Cullen (Eeyore), John Fiedler (Piglet), Ken Sansom (Rabbit), Michael Gough (Gopher)
Matilda (1996) 
Easy Money (1983) 
Invincible Super Chan (1971) 
Immortal Combat (1994) 
The Pebble and the Penguin