There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best.
The future belongs to those who believe in the beauty of their dreams.
The ultimate test of any economic theory is whether it improves real-world decisions.
The self is not a thing to be discovered, but a reality to be created.
模糊集的概念提供了一种自然的方式来处理那些不精确性源于缺乏明确定义的类别成员标准的问题。
The more you do, the more you learn. The more you learn, the more you can do.
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.