Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The beauty of science lies in its ability to surprise us.
Singing is my way of expressing gratitude for the gift of music.
Freedom is not the power to do what we want， but the right to do what we ought.
你受到的约束越多，你就变得越有创造力。