This quote is written / told by Johnny Unitas between May 7, 1933 and September 11, 2002. He/she was a famous Athlete from USA.
The author also have 2 other quotes.
"Genius is not a possession of the limited few, but exists in some degree in everyone. Where there is natural growth, a full and free play of faculties, genius will manifest itself"
"It is paradoxical that many educators and parents still differentiate between a time for learning and a time for play without seeing the vital connection between them"