Based on the findings of the report, my conclusion was that this idea was not a practical deterrent for reasons which, at this moment, must be all too obvious.

15 seconds sound clip from the Dr. Strangelove movie soundboard.

You can hear this line at 00:51:25 in the Blu-ray version of the movie.

Quote context

[...]

- Our source was The New York Times.

- Dr. Strangelove, do we have anything like that in the works?

- A moment, please, Mr. President.

- Under the authority granted me as director of weapons research and development...

- I commissioned last year a study of this project by the Bland Corporation.

- Based on the findings of the report, my conclusion was that this idea was not a practical deterrent for reasons which, at this moment, must be all too obvious.

- Then you mean it is possible for them to have built such a thing?

- Mr. President, the technology required is easily within the means of even the smallest nuclear power.

- It requires only the will to do so.

- But how is it possible for this thing to be triggered automatically and at the same time, impossible to untrigger?

[...]