The only place I'd never melt is the north pole.
5 seconds sound clip from the Frosty the Snowman (1969) movie soundboard.
You can hear this line at 00:08:20 in the Blu-ray version of the movie.
Quote context
[...]
- Whew, is there a thermometer around here?
- Over there on the wall, why?
- Then you've gotta go some place where you'll never melt.
- The only place I'd never melt is the north pole.
- Then we've got to get you there!
- Yeah, we'll take you downtown to the railroad station and put you on a train.
- Great, I always wanted to see the town.
- Let's make a party out of it! Let's have a parade!
[...]