每种需求的建立，都意味着在内心挖了一个坑。创造财富、满足需求就是填坑的过程。有人坑挖得小、挖得少，填起来还比较容易；有人坑挖得多、挖得大，他的填坑工程可就没完没了了。在这生产力高度发达时代，人们填坑的能力很强，挖坑的能力更高。所以，今天的人特别忙碌。
Generating a desire can be compared to digging a hole in the mind field and creating wealth to meet the desire is like a process of filling the hole. For some who dig smaller and less holes, filling them is relatively easy, while for others who dig bigger and more holes, the task is endless. Today when productive powers are highly developed, people’s ability of filling holes is exceptional while the ability of digging holes is even better. So people nowadays are very busy.