Sustainability is not just a goal, it's a responsibility.
可持续性不仅仅是一个目标,更是一种责任。
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.
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。
我不是那种会让我的传奇失色的人。
人生短暂,不要在消极上浪费时间。