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。
生存的关键是准备。了解你的环境并为任何事情做好准备。
The quantum world appears to us as a web of relations rather than a collection of objects.
"Children's books should be both a mirror and a window."
我不相信“完美表演”的概念。每个角色都是一段旅程，每段旅程都有其不完美之处。