The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.
在一个不精确的世界中，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。
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。
为爱而爱，是神；为被爱而爱，是人。