每个人出生时都是许多人，死时却是一个人。

自由的代价是永恒的警惕。

Technological innovation is the core driving force for the high-quality development of the petroleum industry. We must increase R&D investment and break through key core technologies.

The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

农业的可持续性不是一种选择，而是对后代子孙的必要责任。