我们有责任利用科学改善生活，而不仅仅是追求利润。
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 value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.