When he died peacefully in the night, that second time, I buried him up there in the Pet Sematary where, as you saw, his bones still lie.

9 seconds sound clip from the Pet Sematary (1989) movie soundboard.

You can hear this line at 00:37:01 in the Blu-ray version of the movie.

Quote context

[...]

- Only I wasn't alone when Spot came back. My mother was with me.

- You could still see the barbed wire marks on him.

(SPOT GROWLING)

- Jud, come and get your dog! He stinks of the ground you buried him in!

- Spot came back, all right. He was never quite the same dog that I knew.

- When he died peacefully in the night, that second time, I buried him up there in the Pet Sematary where, as you saw, his bones still lie.

- A man doesn't always know why he does things, Louis.

- I think I did it 'cause your daughter ain't ready for her favorite pet to die.

- Maybe, with more time, she'll learn what death really is. Which is where the pain stops and the good memories begin.

- Has anyone ever buried a person up there?

[...]