- He's a fine boy. 
- Naturally I think so. 
- Warm, friendly, intelligent.
7 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:27:23 in the radio play.
Quote context
[...]
- Oh! Oh, it's you, Mr. Carpenter.
- Yes, I am going out. Mr. Stevens is calling for me.
- Bobby's the only person I know who isn't... 'jittery.'
- Warm, friendly, intelligent.
- He's the only real friend I've made since I've been here.
- This is none of my business, but why did that detective come here last night? That Mr. Brady?
- Bobby and I tried to see Professor Barnhardt in the afternoon, but he wasn't in.
- Apparently they thought I was looking for secrets of some kind.
[...]

 Dead of Night (1945)
 Dead of Night (1945)  Phantom of the Opera (1943)
 Phantom of the Opera (1943)  Scooby-Doo, Where Are You! (1969)
 Scooby-Doo, Where Are You! (1969)  Halloween III: Season of the Witch (1982)
 Halloween III: Season of the Witch (1982)  Knight Rider (1982)
 Knight Rider (1982)