释义：观察天下的造化之道，四季周而复始不变，圣人能够体认到这种玄妙的道理并用以教化众生，从而为人民所使用。

最好的东西，不会都属于你，舍掉其中一个，才能得到另外一个。选择，是人生的必行之路。

The database is the most important piece of software in the enterprise, and the most important piece of software in the enterprise is the database. The database is the foundation of all applications. The database is the heart of the application, and the application is the heart of the business. The key to performance is to keep the hot data in memory. The future of databases is in the cloud. Data is the new oil. It's valuable, but if unrefined it cannot really be used. It has to be changed into gas, plastic, chemicals, etc to create a valuable entity that drives profitable activity; so must data be broken down, analyzed for it to have value. The most important thing in the programming language is the name. A language will not succeed without a good name. I have recently invented a very good name and now I am looking for a suitable language.

In times of uncertainty, clarity of purpose becomes even more critical.