理解变化的唯一方法就是投入其中,随之而动,并加入舞蹈。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
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 only limit to our realization of tomorrow is our doubts of today.