The golden Easter lily kept the valley warm and green all year long. If it were to disappear, springtime would disappear with it.

9 seconds sound clip from the The First Easter Rabbit (1976) movie soundboard.

You can hear this line at 00:14:38.874 in the Blu-ray version of the movie.

Quote context

[...]

- Good luck. Heh heh. Good luck.

- Well, they've gone and done it, Bruce.

- Somehow they've managed to get into Easter Valley. And they're bound to find the golden lily.

- We've got to find a way in.

- Crafty old Zero knew one thing that no one had bothered to tell the new Easter rabbit.

- The golden Easter lily kept the valley warm and green all year long. If it were to disappear, springtime would disappear with it.

- There's that rabbit playing his egg-rolling game...

- Why so glum, chum?

- Oh, it's nothing. It's just that I've been thinking about little Glinda again.

- How is she, doctor?

- She's sleeping now. She's going to be just fine.

[...]