城市的穷人就像树的根：看不见，但对生存至关重要。
The city's poor are like the roots of a tree: unseen, but essential to its survival.
如果你简单，这个世界就对你简单。
The universe could have started in a very smooth and uniform state, and then evolved into the complex and structured cosmos we see today.
最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。
如果爵位不高，那么人民就不敬重他；如果俸禄不重，那么人民就不会信任他；如果在理事时没有决断权那么人民不会敬畏他。