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。
The food issue is not only an economic issue, but also a political one, related to the long-term stability of the country.
经验只是我们给错误起的名字。
自由确实珍贵；如此珍贵以至于必须谨慎配给。
《论语》中孔子讲“君子不器”，是针对古代士阶层的，君子不是像器物一样有具体的作用，君子在位，可以管理操作器物的人。
Innovation in quarrying isn't just about new machinery; it's about reimagining our relationship with the earth we extract from.
Never underestimate the power of a simple idea executed well.
晶体管不是单一的发明，而是一系列相互建立的发现。