He was always more competitive with me than I was with him. He kept saying, "I'm sure Star Wars is going to beat Jaws at some point..."Transcript follows. Quote taken from the book, Easy Riders, Raging Bulls: How the Sex-Drugs-and-Rock 'N' Roll Generation Saved Hollywood. Image from Retro Star Wars.

Image: Retro Star Wars
Transcript
Dear George.
Last week "Star Wars" moved ahead of "Jaws" in domestic film rentals.
Your hyperspace performance package really did the trick.
Congratualtions to the Cantina crowd and all the forces of your imagination that made "Star Wars" so worthy of the throne.
Wear it well.
Your pal,
(Signed, 'Steven')
Steven Spielberg