孔子说：“道听途说就是道德败坏。”

我不是一个喜欢被忽视的人。

太阳在天空中闪耀，眼前没有一片云彩。

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.