- Perhaps, Gopher, if you put your grandfather's dreaming together with your doing...
- Why, there'd be no stopping you.

6 seconds sound clip from The New Adventures of Winnie the Pooh - Cloud, Cloud Go Away / To Dream the Impossible Scheme (S4E7).

You can hear this line at 00:20:31.287 in the Blu-ray version of the episode.

Quote context

[...]

- Guess you're pretty disappointed in your grandsonny.

- Nope.

- You're not?

- Nope.

- I don't understand.

- I knew it would never work. The fun part was dreaming it up. If I'd have built it, I wouldn't have anything left to dream about.

- You mean to say my own dear grandpappy is nothing but a dreamer?

- Yep.

- Well, I guess some of us are doers and some are just dreamers.

- Yep.

- Perhaps, Gopher, if you put your grandfather's dreaming together with your doing...

- Why, there'd be no stopping you.

- But... But-But... But...

- By ding-dangy, you're right!

- What say we build that on-the-ground underground city you've been dreaming about? We can put it right here.

- Afraid this plant's got to go, Rabbit.

- Oh, my. Is it Tuesday the 15th already?

- How time flies.

[...]