"The most dangerous thing is to assume you know what you're doing."

网球是一项需要你在心理和身体上都强大的运动，但心理部分更为重要。

生活的真相很简单，但我们讲述的故事却非常复杂。

To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.