数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时，你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。

我一直相信努力和坚持可以克服任何障碍。

"The writer's duty is to disturb the peace, to unsettle the comfortable, and to comfort the unsettled."

对现实的探求始于我们承认自己的无知。

There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second.