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 best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
The world always seems brighter when you've just made something that wasn't there before.
Acting is a way to explore the human condition and to understand others better.