Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The past is never dead. It's not even past.
The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.
解释:国家垂危败亡,一定是因为任用了奸邪小人。
Forests are not just carbon sinks—they are life sources.