Abstraction is the key to managing complexity in large software systems.
成功投资的关键是将你支付的价格与你获得的价值联系起来。
Success in life means doing that thing than which nothing else is more dear to you.
历史的重量总是存在于我们使用的材料中。
Neither the life of an individual nor the history of a society can be understood without understanding both.