Oh, how blessed it is to breathe without an effort. You know, no one knows how sweet the air can taste until someone shuts it off for a moment.

— Cornelia Van Gorder (Agnes Moorehead)

9 seconds sound clip from the The Bat (1959) movie soundboard.

You can hear this line at 01:14:03.786 in the Blu-ray version of the movie.

Quote context

[...]

- Over the mantle, there are five panels. Try to... with your hands.

- Which panel did you say, Miss Van Gorder? Miss Van Gorder! Which panel! We couldn't hear you!

- She said strike it! What difference does it make which panel? Strike them all!

- Look!

- Oh, it's all right now. It's all right, dear. Lizzie's here.

- Feeling better?

- Yes, much better.

- We'll take you to your room.

- Oh, no you won't. I'm going to stay right here. I'm quite all right.

- Oh, how blessed it is to breathe without an effort. You know, no one knows how sweet the air can taste until someone shuts it off for a moment.

- That room is just like a box. When the mantle piece closed, it seemed like all the air was drawn out of it.

- Look! There it goes again!

- Let it close. I can open it from in here.

- There's a control panel behind this blueprint, electric motor under the trap door here. Once the door's open, you can keep it that way.

[...]