I know that I am intelligent, because I know that I know nothing.
我知道自己是聪明的,因为我知道自己一无所知。
煤炭的未来不仅仅是开采,而是我们如何负责任地将其融入不断变化的能源格局。
No one is altogether to be blamed for the defects of his nature; but he is blameworthy if he takes no pains to correct them.  
谷物生产的创新不仅关乎技术,更关乎思维方式的转变。