追求知识不仅仅是寻找答案，更是提出正确的问题。

我会尽力去完成一场比赛。哪怕是留在替补席上挥舞毛巾，甚至为队友递上一杯水。

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

粮食问题不仅是经济问题，更是政治问题，关系到国家的长治久安。