柠檬问题发生的原因是卖家比买家更了解产品，从而导致市场失灵。
原文英文：The most merciful thing in the world， I think， is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity， and it was not meant that we should voyage far.
我们这个时代最大的挑战不是技术进步，而是道德进步。
Great things in business are never done by one person; they're done by a team of people.
The world is full of stories, but the stories are all one.