我认为生活中最重要的事情就是忠于自己。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
The only limits that exist are the ones you place on yourself.
Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.
The most important part of teaching is to teach what it is to know.
