You can't wrap the boy in cellophane.
5 seconds sound clip from the Suddenly (1954) movie soundboard.
You can hear this line at 00:05:53 in the Blu-ray version of the movie.
Quote context
[...]
- That's three dollars, please.
- Ellen.
- I know you don't want the boy to see war pictures, but it seems...
- Teaching children the art of death and destruction, the cruelties, the tortures?
- Ah, he's gotta know these things exist. Then he can fight against 'em when it's his turn.
- You can't wrap the boy in cellophane.
- I can try. As long as possible.
- No, Tod, I can't go with you.
[...]