Everything that comes from Einstein is relative.
5 seconds sound clip from the Champagne for Caesar movie soundboard.
You can hear this line at 01:19:08 in the DVD version of the movie.
Quote context
[...]
- Einstein! What does he want?
- Hello, Happy Hogan speaking. Yes, sir, who? Oh, yes sir, yes. Quiet. Yes sir, yes sir, we will sir.
- Thank you very much professor Einstein.
- Everything that comes from Einstein is relative.
- Bad for you, good for Beauregard.
- Your attention please, ladies and gentlemen.
- Hello? Oh, hello Mr. Waters, who called?
- Oh, then you mean Beauregard is... Oh, I'm so glad.
[...]