The real art of conversation is not only to say the right thing at the right place but to leave unsaid the wrong thing at the tempting moment.
跳著舞的流水啊!当你途中的泥沙为你的歌声和流动哀求时,你可愿意担起他们跛足的重担?
安全是我们所有作业中的首要任务。
My work is like a diary. It records my feelings and thoughts.
科学的作用是照亮前进的道路,而不是规定它。