I don't see how a pumpkin patch can be more sincere than this one.

5 seconds sound clip from the It's the Great Pumpkin, Charlie Brown (1966) movie soundboard.

You can hear this line at 00:11:50.844 in the Blu-ray version of the movie.

Quote context

[...]

- All right, once and for all, are you coming or are you staying? We can't waste all night.

- I'm glad you came back, Sally. We'll just sit here in this pumpkin patch, and you'll see the Great Pumpkin with your own eyes.

- If you try to hold my hand, I'll slug you.

- Each year the Great Pumpkin rises out of the pumpkin patch that he thinks is the most sincere.

- He's gotta pick this one! He's got to!

- I don't see how a pumpkin patch can be more sincere than this one.

- You can look all around, and there's not a sign of hypocrisy. Nothing but sincerity as far as the eye can see.

- Trick or treats, money or eats!

- Can I have an extra piece of candy, for my stupid brother? He couldn't come with us 'cause he's sitting in a pumpkin patch waiting for the Great Pumpkin.

- It's so embarrassing to have to ask, for something extra for that blockhead, Linus.

[...]