What? You're still thinking about flying? It's unnatural and dangerous for bears to fly. Worse than getting bounced by Tigger.

11 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 00:14:28.760 in the Blu-ray version of the TV Series.

Quote context

[...]

- My, what a very lovely day. Not a cloud in the sky. Just a... Pooh Bear?

- I thought I heard Rabbit a moment ago.

- Thank you, Pooh Bear.

- 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.

- What? You're still thinking about flying? It's unnatural and dangerous for bears to fly. Worse than getting bounced by Tigger.

- Oh, it's no that bad.

- And how exactly will this help me fly, Eyeore?

- 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.

- Why, Eyeore! I believe it's going to work!

[...]