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"Tennis is a sport where you have to be strong mentally and physically, but the mental part is even more important."
The only person you should try to be better than is the person you were yesterday.
"I’ve practiced so much that I don’t need to think before I play. It’s like driving a car—you don’t think about which pedals to push."
The study of mental processes requires both experimental and comparative methods.
I don't have to be perfect. I just have to try my best.
I don’t need motivation from anybody. I’m self-motivated.
I don’t need too much. Glamour and all that stuff don’t excite me. I’m just glad I have the ability to make a difference.
You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you.
"You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you."
I'm alive and I have a chance to do something with my life. That's the only motivation I need.
