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Mathematics is the language with which God has written the universe.

幽默是偉大的，是拯救的。一旦它出現，我們所有的煩惱和怨恨都會消失，取而代之的是一種陽光的精神。

透明建立信任，而信任是進步的基礎。

'Jeff, what does Day 2 look like?' 'Day 2 is stasis. Followed by irrelevance. Followed by excruciating, painful decline. Followed by death. And that is why it is always Day 1.' To be sure, this kind of decline would happen in extreme slow motion. An established company might harvest Day 2 for decades, but the final result would still come.

挑戰在于使不可見的東西變得可見。

最好的想法往往來自最意想不到的地方。