数学不在于数字、方程、计算或算法,而在于理解。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
过去是一个陌生的国度;那里的人做事方式不同。
"Stories are the way we teach children how to navigate the world with courage and kindness."
端正自己的行为而不谋求私利,阐明正道而不计较功利