• Ninety percent of the game is half mental - Yogi Berra (Baseball)
• You have to train your mind like you train your body - Bruce Jenner (Decathlon)
• The mind messes up more shots than the body  - Tommy Bolt (Golf) 
• The most important part of a player's body is above his shoulders - Ty Cobb (Baseball)
• When you have fun, it changes all the pressure into pleasure - Ken Griffey (Baseball)
• Competitive toughness is an acquired skill and not an inherited gift - Chris Evert (Tennis)
• My message is simple: take control of your life - Charles Barkley (Basketball)
• This ability to conquer oneself is no doubt the most precious of all things sports bestows up us - Olga Korbut (Gymnast)
• It's all about the journey, not the outcome - Carl Lewis (Sprinter) 
• In spite of all distractions, remain focused on the job - Reggie Jackson (Baseball)
• You can't outperform your self image - Dennis Connor (America Cup Yachting)
• Motivation gets you going. Discipline keeps you going - Jim Ryan (Baseball)
• I firmly believe that the only disability in life is a bad attitude - Scott Hamilton (Skating)
• Attitude is a choice. Believe in yourself - Pat Summit (Basketball Coach)
• Competitive golf is played mainly on a five andf a half inch course: the space between your ears - Bobby Jones (Golf) 
• Learn to control your emotions or they will control you - Edgar Martinez (Baseball)
• Of all the hazards, fear is the worst - Sam Snead (Golf)
• You have to learn how to be comfortable with being uncomfortable - Lou Piniella (Baseball)
• Each point I play is in the now moment. The last point means nothing, the next point means nothing - Billie jean King (Tennis)
• The less tension and effort, the faster and more powerful you will be - Bruce Lee  (Jeet Kune Do)
• Failing to prepare is preparing to fail - Wayne Gretsky (Hockey)
• If there is doubt in your mind, how can your muscles know what to do? - Harvey Penick (Golf)
• When I'm in my groove there is no thinking. Everything just happens - Ozzie Smith (Baseball)
• A full mind is an empty bat - Branch Rickey (Baseball)
• The quality of a person's life is in direct proportion to their commitment to excellence, regardless of their chosen field - Vince Lombardi (Football)
• It's not the size of a man, but the size of his heart that matters - Evander Holyfield (Boxing)
• When the game is over, I just want to look at myself in the mirror, win or lose, and know I gave it everything I had - Joe Montana (Football) 
• The softest pillow is a clear conscience - John Wooden (Basketball)

It takes years of hard work to become an overnight success. Are you willing to make the commitment and pay the price?