"If liberty means anything at all, it means the right to tell people what they do not want to hear."
如果自由有任何意义的话，那就是告诉人们他们不想听的事情的权利。
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.
科学严谨是我们一切工作的基础；没有它，信任就无从谈起。
Emotions are biological signals that prepare the organism for action.