一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。
平等不仅是一种道德要求,更是一种经济必需。
The most sustainable plastic is the one that never needs to be made in the first place.
The key to innovation is fostering a culture of continuous improvement.