谷物生产的效率不是选择，而是必需。

The world needs more people who are willing to challenge the status quo.

Don't walk behind me; I may not lead. Don't walk in front of me; I may not follow. Just walk beside me and be my friend.

I prefer to supervise the whole operations of the government myself rather than entrust the public business to subordinates.

我是一个喜欢稀有的人。