有两种方式可以扩展业务。评估你擅长什么，并从你的技能出发进行扩展。或者确定你的客户需要什么，然后反向工作，即使这需要学习新的技能。
There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.
物资用完了才知道不足，是因为不懂得计量；事情做完了才知道有余，是因为不懂得调节。
The biggest enemy of technology is inertia.
让这成为一个准则：永远不要给孩子一本你自己不愿意读的书。
The best science fiction is not about the future; it's about the present.
解释：咸味食物走血分，血病的人不宜多食，说明饮食需根据病症调整。