I don't know what to think anymore.

2 seconds sound clip from the Stalag 17 movie soundboard.

You can hear this line at 01:32:26.149 in the Blu-ray version of the movie.

Quote context

[...]

- All right, who wants the Queen of the May?

- How about you, handsome? You look like Cary Grant. You want to dance with me?

- I'd love to, Queenie, but, well, one of the other girls asked me first. Bye, darling. Bye.

- Any cigars left, Cookie? Come on, Cookie, get me a cigar.

- What's the matter? You on their team now? You think I'm the guy?

- I don't know what to think anymore.

- I understand how you feel.

- It's sort of rough. One American squealing on other Americans.

- Then again, Cookie, maybe that stoolie's not an American at all. Maybe he's a German the Krauts planted in this barracks. They do that sometimes. Just put an agent in with us, a trained specialist.

- Lots of loose information floating around a prison camp. Not just whether somebody's trying to escape. What outfit we were with, where we were stationed, how our radar operates.

[...]