He feels that since the Italians will be defending their native soil for the first time and since the German resistance is stiffening, our forces shouldn't be divided.
10 seconds sound clip from the Patton (1970) movie soundboard.
You can hear this line at 01:02:50 in the Blu-ray version of the movie.
Quote context
[...]
- After all, Messina is the key. It's the reason for invading Sicily.
- I'll discuss your plan with Ike. I'm sure he'll give it serious consideration.
- George, I've bad news for you about your Sicily plan, I'm afraid.
- Well, uh, where do my people land, then?
- What for? There's nothing there but a beach.
- Yes, but it puts you in a good position to support Montgomery.
- And, uh, where does Montgomery land?
[...]