一个好计划的最大敌人是完美计划的梦想。
The greatest enemy of a good plan is the dream of a perfect plan.
The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?
The only way to learn a new programming language is by writing programs in it.
圆点无法独自存在,如同人类的存在。