科学中最重要的就是不要害怕提出问题。
每一个生命都是独特的，都值得被记住。
The state is not a work of art; it is a necessity.
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.