What I’ve achieved in tennis is great, but who I am as a person is more important.
我在网球上取得的成就是伟大的，但我作为一个人是谁更重要。
改变一个人的关键是改变他的自我意识。
审判自己比审判别人难多了，如果你正确地审判了自己，那么你就是一个真正的智者了。
A quarry is more than a pit—it's a legacy we leave for future generations.
我不相信运气，我相信准备。
You pray for rain, you gotta deal with the mud too. That's a part of it.
我努力以激情和目标生活。