If December 31st goes on forever, so will he.
7 seconds sound clip from the Rudolph's Shiny New Year movie soundboard.
You can hear this line at 00:08:22 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, I certainly do. He's out looking for Happy, too.
- You see... Eon can only live until he is one eon old. Then, he will turn into ice and snow.
- His eon is finally up this December 31st. He has only six days left.
- That's why he wants to capture the Baby New Year! To stop time.
- If December 31st goes on forever, so will he.
- He'll never stop scaring people.
- Come on, Great Quarter Past Five. Get us to Father Time's castle. Quick!
[...]