Time is a concept that is derived from the way we perceive change.

Leaders must have the courage to make tough decisions today for a better tomorrow.

真理还在穿鞋的时候，谎言就走遍了半个世界。

我追求的是消除自我，与宇宙合而为一。

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.