
“If people don't want to come to the ballpark how are you going to stop them?”
The Yogi book: I really didn't say everything I said!, Workman Publishing, 1997, ISBN 0761110909, p. 36.
The quote "If people don’t want to come, nothing will stop them" first appears in 1952, credited to music impresario Sol Hurok. It was first attributed to Berra in 1962. See http://quoteinvestigator.com/2014/10/30/stop-em/
Disputed