计算理论为理解什么可以计算、什么不能计算提供了基础。
The theory of computation provides a foundation for understanding what can and cannot be computed.
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
"I don't think you can ever do your best. Doing your best is a process of trying to do your best."
The truth is like poetry. And most people fucking hate poetry.
每一个挑战都是了解自己新东西的机会。