实现明天的唯一限制是我们今天的疑虑。
终极搜索引擎将理解世界上的一切。它会准确地理解你的意思,并准确地给你想要的东西。
Happiness is rarely absent; it is we that know not of its presence.
Paper has been the carrier of human knowledge for centuries. Our duty is to ensure it continues for centuries more.