That isn't necessary. I'll find my way.

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

You can hear this line at 00:36:29 in the Blu-ray version of the movie.

Quote context

[...]

- You'll probably want to discuss this with Mr. Shellhammer, so I'll be on my way.

- May I see Kris?

- Why certainly, Doctor. Use the employees' elevator. It's much quicker.

- It's the same one you came up.

- Now, where is that? I'm a little twisted.

- I'll show you, Doctor.

- That isn't necessary. I'll find my way.

- You understand my position, Doctor.

- If there's the slightest possibility of his becoming violent or getting into any trouble, I could...

- What possible trouble could he get into?

- All that's got to happen is for a policeman to ask him his name. A big argument-clang-clang, Bellevue.

[...]