模型的目的是足够简单以便理解和使用，但又足够复杂以捕捉系统的基本特征。

广东话谚语

赚钱的唯一方法是不亏钱。

Leadership is not about being in charge. It's about taking care of those in your charge.

教师的爱是滴滴甘露，即使枯萎的心灵也能苏醒；教师的爱是融融春风，即使冰冻了的感情也会消融。

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.

谁知旧日情，斯人知太深。绵绵长怀恨，尽在不言中。