非常重要的就是你要有耐心。
The very important thing you should have is patience.
The most important single aspect of software development is to be clear about what you are trying to build.
经济学的研究最终是对人类行为及其后果的研究。
你和你的梦想之间唯一的障碍是尝试的意愿和相信它实际上可能的信念。