数学不是关于数字、方程、计算或算法的:它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Every performance is a new opportunity to touch someone’s heart.
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.
The limits of my language mean the limits of my world.
Pictures must not be too plausible.