And so once again Mr. and Mrs. John Public proved their word is final.

7 seconds sound clip from the Champagne for Caesar movie soundboard.

You can hear this line at 00:40:25 in the DVD version of the movie.

Quote context

[...]

- Tremendous acclaim proves I am not alone in my fight to end the Stone-head age. And the public will see to it that I continue.

- Ah, there's good news tonight after all.

- Masquerade for Money is going back on the air.

- And the reason for that decision can be told in just two words: No soap.

- Not one bar of Milady soap was sold over the counters of America since Beauregard Bottomley was forced off the air.

- And so once again Mr. and Mrs. John Public proved their word is final.

- The frequency of a bat's shriek is somewhere around 20,000 cycles a second.

- That is absolutely correct. (5)

- The Upper Cretaceous deposits of the Elburz mountain region of Persia consist of limestone, locally hyporitic and fossiliferous mounds off in Dajunas.

- That is absolutely correct. (6)

[...]