"To have any doubt in your body is the biggest weakness an athlete can have. There are times when I physically can't get myself to go for a skill because I'm thinking, 'My knee hurts really bad.'"

This quote by Shawn Johnson speaks to the importance of having a strong mental game in order to be a successful professional athlete. Johnson is saying that having any doubt in your body is a significant weakness, which it can prevent you from performing at your finest. She is likewise stating that even when her body is in pain, she needs to press through and discover the strength to choose a skill. This quote emphasizes the value of having a strong mental video game and the ability to push through physical pain in order to be an effective athlete. Johnson's words are a pointer that having a strong psychological game is just as important as having a strong physical video game.