唯一真正的财富是灵魂的财富。

不要担心你在数学上遇到的困难；我敢保证我遇到的困难比你还大得多。

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

"The hardest part of design is keeping features out."

If we were motivated by money, we would have sold the company a long time ago and ended up on a beach.

Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph.

The challenge is not just to collect data, but to make sense of it in ways that improve lives.

在追求知识的过程中，我们必须始终保持谦逊，对新思想持开放态度。