如果没有冬天的寒冷来赋予它甜蜜，夏天的温暖又有什么好处呢？
"What good is the warmth of summer, without the cold of winter to give it sweetness."
A good mechanism design aligns individual incentives with social goals.
A man's life is limited, but service to the people is infinite.
The most important single aspect of software development is to be clear about what you are trying to build.
You gotta learn to crawl before you can walk, and walk before you can run.