没有实用性的创新只是噪音，农民需要真正的解决方案。

The most important actions are never comfortable.

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

这就是学习的意义。你突然以一种新的方式理解了你一生都理解的东西。