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.
You can't cross the sea merely by standing and staring at the water.
The only way to get rid of a temptation is to yield to it.
Stay hungry, stay foolish.
在石油行业，效率和可持续性是同一枚硬币的两面。
The most innovative solution is often the one nature already provided.
未经省察的人生不值得过。