模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
Commitment to excellence is a journey, not a destination.
A city’s greatness is measured by its public spaces.
La belleza artística consiste en la luz de la verdad que atraviesa el prisma de la imaginación.
People tend to value things more highly when they own them.
——《建国方略·孙文学说》(1917—1919年)
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.