教育事业是值得钦佩的，但请不时想起：并没有什么值得知道的事是能够被传授的。

We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.

Number is the ruler of forms and ideas.

农业科研要面向国家需求，解决实际问题，不能脱离生产实践。