It is absurd to divide people into good and bad. People are either charming or tedious.
把人分为好坏很荒谬。人要么有魅力，要么就无趣。
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.
数学是人类精神最美丽和最强大的创造。