"Truth is not what you want it to be; it is what it is, and you must bend to its power or live a lie."
意志不是一种特殊的能力，而是心灵朝向明确目标的整体活动。
我想一整天都做自己喜欢的事情，我想坐在路边的咖啡馆，看商店橱窗里的东西。在雨中漫步，做一些好玩甚至有些刺激的事。
Drawing for children is about capturing the essence, not the detail.
Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。