孔子说:“年轻人值得敬佩,怎知后代不如今人?四五十岁还默默无闻的人,就没什么前程了。”
The power of science lies in its universality and objectivity, it transcends culture and national boundaries.
The best way to learn mathematics is to do mathematics.
The beauty of the world lies in the diversity of its people and cultures.