行动和知识不是彼此的障碍。
Action and knowledge are not obstacles to each other.
Every ton of coal we extract carries a responsibility—to our workers, communities, and the planet.
The Langlands program is a testament to the beauty of mathematical abstraction.
债券市场是市场信心的最终晴雨表。
学习数学的唯一方法就是做数学。
真正的自由来自心灵的解放。
The greatest thing to come out of my country is not Ganges water, or the Taj Mahal, or the Himalayas, but the fact that it is the world's largest democracy.