This here equation was handed down from my grandpappy to my pappy to me.
6 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 00:02:13.560 in the Blu-ray version of the TV Series.
Quote context
[...]
- By dinghy, you've nearly ruined the work of a lifetime.
- Now see here, Gopher, just what do you think you're doing?
- Well, first I got to set up my construction site. Then I got to take a survey...
- You fellas can help me, too, if you like.
- Careful. This blackboard's been in the family for years.
- Oh, it's beautiful. With just the right amount of chalk.
- This here equation was handed down from my grandpappy to my pappy to me.
- Boys, you're eyeballing a real wonder of the world: An equation for... the ultimate tunnel.
- And to think it looked like just a bunch of numbers to me.
- No, siree. These are more than just numbers.
- Ever since that fateful afternoon, he dreamed of digging the ultimate tunnel.
[...]