孔子说：“君子有九种事情要考虑：看要考虑是否看清楚了、听要考虑是否听清楚了、脸色要考虑是否温和、表情要考虑是否谦恭、言谈时要考虑是否忠诚、工作时要考虑是否敬业、疑问时要考虑请教、愤怒时要考虑后患、见到好处时要考虑道义。”
元素可以分为具有相似性质的组。
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.
What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.
可持续性不是一种趋势，而是我们对后代的责任。