Every problem in mathematics is an opportunity to learn something new.
Mental phenomena are nature's solutions to survival problems.
A legal system is a system of rules which are valid according to the system's own criteria of validity.
数据库是企业中最重要的软件,而企业中最重要的软件是数据库。数据库是所有应用程序的基础。数据库是应用程序的心脏,而应用程序是业务的心脏。性能的关键是将热数据保存在内存中。
We don't just produce steel; we build the backbone of modern civilization.