Definitions belong to the definers, not the defined.

农业创新必须服务于人类和地球。

身边的人都不能亲近，就不要希望招徕远方的人。 

Innovation in mining isn't optional - it's essential for our future.

Recycling should be the last resort, not the first solution. Better design comes first.

The moment you think you know it all is the moment you have the most to learn.

数学证明的优雅常常反映了它所描述的算法的效率。