The screams had faded and the lions were feeding quietly under the trees.

6 seconds sound clip from the X Minus 1 - The Veldt by Ray Bradbury classic radio drama series.

You can hear this line at 00:16:46 in the radio play.

Quote context

[...]

- You didn't notice anything unusual?

- No.

- The pattern showed the usual violence, a tendency towards slight paranoia. All children feel persecuted by their parents... perfectly normal.

- There! There it is.

- Suppose we take a look at it now.

(OMINOUS AFRICAN DRUMS)

- They entered without knocking and sent the children out.

- The screams had faded and the lions were feeding quietly under the trees.

- I wish I could see what they're eating.

- How long has this been going on?

- A little over a month.

- It certainly doesn't feel good.

- I don't want feelings... I want facts.

- A psychologist never saw a fact in his life. He knows about feelings. And this doesn't feel good.

[...]