做出伟大工作的唯一途径是热爱你所做的事。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
"In literature, as in life, everything is connected."
The best mathematics is that which you do not understand at first glance.
"I work hard, and I do good, and I'm going to enjoy myself. I'm not going to let you restrict me."