最优雅的数学证明是那些以简单揭示真理的证明。

"The true mystery of the world is the visible, not the invisible."

Infrastructure is the backbone of the nation, we must use wisdom and sweat to build century-long projects.

数学理论的真正价值在于它能够连接看似无关的想法。

Excellence is not an act, but a habit.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.