But Sparky would never catch him or hurt him because Sparky was not that kind of a dog.

5 seconds sound clip from the Oliver & Company (1988) movie soundboard.

You can hear this line at 00:25:39.648 in the Blu-ray version of the movie.

Quote context

[...]

- Sparky jumped to his feet, and ran toward Bumper barking loudly. Woof. Woof.

- Well, you try it sometime.

- Ruff! R-Ruff!

- Well, that's because you're a dog.

- Sparky knew that Bumper would run and that he could chase him over the field.

- But Sparky would never catch him or hurt him because Sparky was not that kind of a dog.

- This is the big one. We've got two days to do or die.

- Dodger, you keep an eye on the new kid. Show him the ropes.

- I don't wanna put any undue pressure on you, but, as you march off to do your duty, I want you to keep one thing in mind.

- Dead men do not buy dog food!

[...]