International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

The only thing worse than being talked about is not being talked about.

数据库中最重要的东西是数据模型。如果你把数据模型做对了，其他一切都会随之而来。

Experience is simply the name we give our mistakes.

船舶自动转向的引入是一个相当困难的问题，但解决方案在于PID控制器的应用。