是与天下之所以察知有与无之道者，必以众之耳目之实知有与无为仪者也。
凡事天下要考察有无的原则，必定是以众人的耳目所见所闻的实情以知有与无来作为标准的。
没有执行的创新只是幻觉。
The more you know, the more you suffer.
People always say that you can't please everybody. I think that's a cop-out. I think if you work hard enough, you can please anybody.
不要被竞争驱动，而是被愿景驱动。
生命周期假说认为，个人会在一生中规划其消费和储蓄行为。