二十世纪最后二十五年最显著的发展是世界看似强大的独裁政权核心的巨大弱点被揭示。
The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.
没有内容的思想是空洞的，没有概念的直觉是盲目的。
Não sou nada. Nunca serei nada. Não posso querer ser nada. À parte isso, tenho em mim todos os sonhos do mundo.
Every lock has a key, every problem has a solution.
译文：大道没有具体的形态，那么内心要凭借什么去领悟呢?关键在于每个人自身的智慧和见识是否高明。
数学不是关于数字、方程、计算或算法：它是关于理解的。
写作的行为是一种乐观的行为。如果你觉得这无关紧要，你就不会费心去做。