You must not only have ...

You must not only have competitiveness but ability, regardless of the circumstance you face, to never quit
 Abby Wambach

Quotes from the same author

2014 was physically a tough year because I injured my knee, and you know how that goes with your emotions and the mentality.
 Abby Wambach
People don't think an athlete nowadays can have a team-first mentality and I do.
 Abby Wambach