做伟大工作的唯一方法是热爱你所做的事情。
保卫国家政权，是那些君主和臣子等享受俸禄的人谋划的事；保卫整个天下，即使是地位低微的普通百姓也有责任参与。
What I’ve achieved in tennis is great, but who I am as a person is more important.
I think therefore I am has been discarded; we should say, I feel therefore I am.
In the depth of winter, I finally learned that within me there lay an invincible summer.