It's the one thing that stayed together.
4 seconds sound clip from the The Lego Movie (2014) movie soundboard.
You can hear this line at 00:52:36 in the Blu-ray version of the movie.
Quote context
[...]
- Who's gonna want to sit on the bottom?
- It is literally the most useless idea I have ever heard.
- Yeah!
- Heh. The double-Decker couch. It wasn't totally pointless after all.
- It's the one thing that stayed together.
- I always believed in you, Emmet.
- I mean, it's not like a big gigantic ship is gonna come out of nowhere and save us My gosh!
- Metal Beard, I thought you said we were a lost cause!
- Ye are!
[...]