Life is measured by thought and action，not by time.
People tend to value things more highly when they own them.
The journey of self-discovery is one of the most challenging yet rewarding aspects of psychological study.
有趣的是，对于白人孩子来说，做黑人很酷，直到做黑人变得很难。
历史这个游戏的玩家一般都是社会的最上层和最下层，占大多数的中间层次只有在台下看戏的份。