The only way to learn mathematics is to do mathematics.
學(xué)習(xí)數(shù)學(xué)的唯一方法就是做數(shù)學(xué)。
The most valuable resource any company has is its people.
寫(xiě)作的行為是一種勇氣的行為，是對(duì)生命短暫本質(zhì)的挑戰(zhàn)。