A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.
数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。
【释义】一个人如果能在暗中行善积德、不欺瞒他人，圣人会察觉并赞许，贤人会帮助他，天道也会眷顾他，人们因此喜爱他，鬼神则敬重他。他身处富贵而不失其财富与地位，灾祸不侵犯他，寿命也不会受到折损。劫难、火灾、水患等都远离他，最终可以保全性命，享完其应有的天寿。
The challenge of leadership is to be strong, but not rude; be kind, but not weak; be bold, but not bully; be thoughtful, but not lazy; be humble, but not timid; be proud, but not arrogant; have humor, but without folly.