Who said “In theory there is no difference between theory and practice. In practice there is.”?

Misattributed

Not Yogi Berra. It's commonly credited to them, but the evidence shows it isn't theirs.

What the research foundNot by Yogi Berra. Earliest known source: Benjamin Brewster, The Yale Literary Magazine (February 1882).

Evidence: Quote Investigator · Wikiquote · How we check

Source checked · Something wrong? Report a correction

Authors A–Z
“In theory there is no difference between theory and practice. In practice there is.”
— Yogi Berra
MisattributedNot by Yogi Berra. Earliest known source: Benjamin Brewster, The Yale Literary Magazine (February 1882). · evidencePractice
Report

Cite this quote

APA

“In theory there is no difference between theory and practice. In practice there is.” [Quotation attributed to Yogi Berra]. (n.d.). Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/34043-in-theory-there-is-no-difference-between-theory/

MLA

“In theory there is no difference between theory and practice. In practice there is.” Attributed to Yogi Berra. Famous Quotations Network, https://www.famous-quotations.com/quotes/34043-in-theory-there-is-no-difference-between-theory/. Accessed 24 Oct. 2026.

Chicago

“In theory there is no difference between theory and practice. In practice there is.” Attributed to Yogi Berra. Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/34043-in-theory-there-is-no-difference-between-theory/.

Related quotes

More quotes by Yogi Berra

“You can observe a lot by watching.”
VerifiedYou Can Observe a Lot by Watching: What I've Learned About Teamwork From the Yankees and Life, John Wiley & Sons, 2008 · evidenceDetails & citeObservation
Report
“I made a wrong mistake”
Mistakes
Report
“A nickel isn't worth a dime today.”
Money
Report
“The game isn't over until it's over.”
Competition
Report
All 25 Yogi Berra quotes →