Of course I agree.

3 seconds sound clip from the Patton (1970) movie soundboard.

You can hear this line at 02:42:26 in the Blu-ray version of the movie.

Quote context

[...]

- Well, if I'm supplied with trained personnel, I'll get rid of the Nazis.

- Until then, I'll use the people who can run the railroads and keep the telephones working.

- After all, General, didn't most ordinary Nazis join the party in about the same way Americans become Republicans or Democrats?

- Yes, that's about it.

- You do agree, don't you, General, that our national policy should be made by civilians and not by the military?

- Of course I agree.

- But the politicians never let us finish. They always stop short and leave us with another war to fight.

- You thinking about our Russian Allies?

(Chuckles)

- Sir, did you say if you found your army between the Germans and the Russians you'd attack in both directions?

[...]