书写历史就是与幽灵搏斗。
To write history is to wrestle with ghosts.
Chemistry is the art of manipulating matter at the molecular level, and catalysis is its most powerful brush.
If you have no enemies, you're dead.
The most important skill in mathematics is the ability to ask the right questions.
Agricultural modernization is not simply mechanization, but to let farmers truly master technology and farm with wisdom.
The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.