On motivation: "I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you."

Thought is the means by which the organism negotiates its way through the world.

拓扑学是对图形在任何变形下保持不变的性质的研究。

别担心世界末日今天会不会来。此刻的澳洲已经是「明天」了呢。

最好的书是让你重新看世界的书。

知识不会使我们更丰富；它使我们越来越远离神话世界——这个我们曾经的天然家园。

事实是，每个人都会伤害你。你只需要找到那些值得为之受苦的人。