Oh, I see. I guess my arm wasn't long enough, see?
5 seconds sound clip from the Superman (1978) movie soundboard.
You can hear this line at 02:09:26 in the Blu-ray version of the movie.
Quote context
[...]
- Now, wait a minute. Wait a minute. The third one to 117?
- Yes. See? I wrote it down, Mr. Luthor. I wrote it
- The third one was supposed to be 11, and the fourth one, seven.
- Oh, I see. I guess my arm wasn't long enough, see?
- Would you like to see a long arm? Would you like to see a very, very long arm?
- Give me your arm. Hand it over! I'll wring your neck! I'll give you a long arm!
[...]