Why, that's so easy, I didn't even know it.
3 seconds sound clip from The New Adventures of Winnie the Pooh - Easy Come, Easy Gopher / Invasion of the Pooh Snatcher (S3E9).
You can hear this line at 00:19:09.607 in the Blu-ray version of the episode.
Quote context
[...]
- Can't we do it when it's not so dark, and when I'm somewhere else I have to be?
- Nope. Dark's the best time, Piglet. Jagulars can't see us.
- But we won't be able to see it, either.
- Eh, trivialities. We got more important things to think about.
- What's more confusing than one pooh bear?
- Hmm. More confusing than Pooh, huh?
- Why, that's so easy, I didn't even know it.
- We have to Pooh Bear-ize ourselves. Follow me.
[...]