One man practicing sportsmanship is far better than 50 preaching it.

— Knute Rockne The Reader's Digest Vol. 135 (1989)

Variants

One man practicing sportsmanship is better than a hundred teaching it.

Great Quotes from Great Sports Heroes (1997)

Knute Rockne: Man Builder (1940)

Coaching Champions: The Privilege of Mentoring (1994)

Swimming World and Junior Swimmer Vol. 20 (1979)

Quote text and notes from Wikiquote: Knute Rockne (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.