Cornelius was the only one...
2 seconds sound clip from the Thumbelina (1994) movie soundboard.
You can hear this line at 00:58:32.724 in the Blu-ray version of the movie.
Quote context
[...]
- What?
- That he was found stone-cold frozen dead in the snow. But of course you knew that?
- Forgive me. Sometimes I just blurt things out without thinking.
- You're still young, though. There'll be another.
- Cornelius was the only one...
- Now, put this on. We'll take these corn cakes to Mr. Mole. He lives just down the tunnel.
- Oh. I saved your life this very day and you'd rather not?
- Is it true that you have a beautiful voice?
- I don't feel much like singing.
- Oh, you must sing for Mr. Mole. He loves sweet things. Come on.
[...]