Not one competent authoritative proof that this man is Santa Claus.

6 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.

You can hear this line at 01:26:22 in the Blu-ray version of the movie.

Quote context

[...]

- I'm afraid I've got bad news for you.

- I've tried every way to get some competent authority. I've wired the governor, the mayor. I even wired...

- This is worth more to me than all the governors and mayors in the world.

- It's all over. Look at him. He hasn't got a thing.

- And furthermore, the defense has yet to offer one concrete piece of evidence to substantiate this preposterous claim...

- Not one competent authoritative proof that this man is Santa Claus.

- In view of these facts, and especially since today is Christmas Eve - we're naturally all anxious to get to our homes...

- I ask that you sign the commitment papers without further delay.

- Have you anything further to offer?

- Yes, I have, Your Honor. I'd like to submit the following facts in evidence.

[...]