The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
教育的回报太遥远，而今天的生计太紧迫。
软件开发中最重要的一个方面是明确你要构建什么。
Keep it simple, repeat simple things.
"We are the land, and the land is us."
We innovate by starting with the customer and working backwards. That becomes the touchstone for how we invent.
Art should be dangerous, like a knife in the dark.
错误经不起失败，但是真理却不怕失败。