"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

用我的手写出我口中说的话，古人岂能束缚我的表达。

Never spend your money before you have it.

Safety is our top priority in all operations.

The utility of an idea determines its place in mental life.

计算机中最重要的东西是操作系统。