數(shù)學(xué)家的模式，就像畫家或詩(shī)人的模式一樣，必須是美麗的。
我不相信運(yùn)氣，我相信準(zhǔn)備遇上機(jī)會(huì)。
你們會(huì)如何運(yùn)用自己的天賦？你們又會(huì)作出怎樣的抉擇？
The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.