According to The Executive Speechwriter Newsletter (vol. 12, no. 3), "Desire kept young W. Clement Stone on Chicago's street corners selling newspapers. Desire later made him one of the wealthiest people in America as principal owner of Combined Insurance Corporation of America.
"Desire made Jim Marshall one of the most indestructible players in professional football. Marshall started 282 consecutive games and played defensive end until he was forty-two. Teammate Fran Tarkenton once described Marshall as 'the most amazing athlete to play in any sport.'
John Havlicek, to earn the nickname 'Mr. Perpetual Motion.' As a player for
the Boston Celtics, Havlicek gave 200 percent every game for 16 straight seasons.
Hustle, leadership, and guts made Havlicek a player by which others were measured.
People with desire work harder, are passionate about their goals, and are driven
by an intense thirst to be better."
- cited in Zig Ziglar's Life Lifters