Loneliness is not the absence of others, but the absence of oneself.
孤独不是他人的缺席,而是自我的缺失。
我的心是旷野的鸟,在你的眼睛里找到了天空。
When truth is buried, it grows. It chokes. It gathers such an explosive force that on the day it bursts out, it blows up everything with it.
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。
要这样行动,使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。