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 artist must suffer to create, for creation is born of pain.
科学中的创新往往来自于以新的方式看待老问题。
当人们知道目标是什么以及为什么时，他们的工作效果会更好。人们期待早晨去工作并享受工作是很重要的。
No man really knows about other human beings. The best he can do is to suppose that they are like himself.