You're nobody. You have no identity.
5 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 01:51:33 in the Blu-ray version of the movie.
Quote context
[...]
- What else are you? What, are you a hypnotist?
- Well, then, why am I seeing all these strange things here?
- Don't you understand, George? It's because you were not born.
- Well, if I wasn't born, who am I?
- You're nobody. You have no identity.
- What do you mean, no identity? My name's George Bailey.
- You have no papers, no cards, no driver's license, no 4-F card, no insurance policy.
- They're not there, either. What?
- You've been given a great gift, George, a chance to see what the world would be like without you.
[...]