Farmers' income growth cannot rely solely on policies, but more on market mechanisms and industrial upgrading.

形式化方法的美在于它们能够提供关于系统正确性的绝对确定性。

International politics is a brutal and dangerous business, and it is likely to remain that way.

预测未来的最好方法就是创造未来。

阅读未见过的书，如结识好朋友，情意和洽；重读已看过的书，如老朋友相晤，叙旧联谊。

最大的风险就是不冒任何风险。