After listening to Dr. Pierce, I feel perfectly confident.

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

You can hear this line at 00:35:55 in the Blu-ray version of the movie.

Quote context

[...]

- Naturally, I can't discharge this man. That's up to you, but you asked for my opinion, and I've given it to you. So, when he exhibits his latent maniacal tendencies, which I assure you he will, please realize the responsibility is completely yours.

(Door Closes) (2)

- Uh, speaking of delusions.

- Now we're right back where we started.

- No, we're not.

- After listening to Dr. Pierce, I feel perfectly confident.

- Yes, but if anything happens, you won't get blamed, I will.

- Nothing's going to happen. And please don't feel that what I've said was prompted by my affection for Kris.

- My specialty is geriatrics. The treatment of the diseases of old age.

- I've had quite a bit of experience, and I assure you Kris has no latent maniacal tendencies.

[...]