如果农民不能有效使用，最先进的技术也毫无价值。

不成熟状态就是不经别人的引导就无力运用自己的理智。

We are all searching for something, even if we don't know what it is.

In global competition, we must maintain an open mind and a learning attitude.

Not knowing is probably the best.

过去是一个跟随我们的影子，总是存在，总是影响。