Failure and success is an illusion. The only thing that's a reality is the way you choose to engage with your life today, on a daily basis. So I hope you wake up every day with certain goals and objectives, and you don't let tomorrow affect what you're doing today and you don't let yesterday affect it. There's a reason why the front window in our car is a lot bigger than our rear-view mirror. But if we don't take care of the engine, if we don't take care of how we're living, we won't get to what's in front of us. So focus on today. — Andre Agassi
One important key to success is self-confidence. An important key to self-confidence is preparation. — Arthur Ashe
The mark of a great sportsman is not how good they are at their best, but how good they are at their worst. — Martina Navratilova
If you can react the same way to winning and losing, that’s a big accomplishment. That quality is important because it stays with you the rest of your life, and there’s going to be a life after tennis that’s a lot longer than your tennis life. — Chris Evert
What is the single most important quality in a tennis champion? I would have to say desire, staying in there and winning matches when you are not playing that well. —John McEnroe