- If you explode it in Fort Knox, the entire gold supply of the United States will be radioactive for 57 years.
- 58, to be exact.

13 seconds sound clip from the Goldfinger movie soundboard.

You can hear this line at 01:23:47.631 in the Blu-ray version of the movie.

Quote context

[...]

- You plan to break into the world's largest bank, but not to steal anything? Why?

- Go on, Mr. Bond.

- Mr. Ling, the red Chinese agent at the factory, he's a specialist in nuclear fission.

- But of course! His government's given you a bomb.

- I prefer to call it an atomic device. It's small, but particularly dirty.

- Cobalt and iodine?

- Precisely.

- If you explode it in Fort Knox, the entire gold supply of the United States will be radioactive for 57 years.

- 58, to be exact.

- I apologize, Goldfinger. It's an inspired deal.

- They get what they want, economic chaos in the West, and the value of your gold increases many times.

- I conservatively estimate 10 times.

- Brilliant.

- But the atomic device, as you call it, is already obviously in this country.

- Obviously.

[...]