The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
The study of mental processes requires both experimental and comparative methods.
物理学上的镜面反射理论,也同样适用于人情世故。爱敬别人的人,同样也会得到别人的爱敬;厌恶别人的人,同样也会遭到别人的厌恶。