The act of writing is an act of survival.
可持续发展不是口号，而是企业必须承担的社会责任。
There is nothing either good or bad, but thinking makes it so.
"There is nothing more deceptive than an obvious fact."
粒子的概念只是一种近似，仅在特定极限情况下有效。
球场上最强大的武器不是正手或反手——而是你的头脑。