我远行万里来看世界的奇迹，但真正让我惊讶的是我在旅途中遇到的人。
I have traveled so far to see the wonders of the world, but it is the people I have met along the way that have truly amazed me.
"When you describe a city, you betray it. The truth is always in the alleyways you omit."
Ideas are everywhere, but knowledge is rare.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.