数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
每一帧都应该是一幅画，每一个场景都是一件杰作。
智慧属于对永恒事物的智性理解；知识则属于对临时事物的理性理解。
书籍是飞机，是火车，是道路。它们是目的地，也是旅程。它们是家。
You can't let praise or criticism get to you. It's a weakness to get caught up in either one.