The great use of life is to spend it for some thing that overlasts it.
The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.
Market failures are often not failures of markets, but failures of market design.
海洋就是一切。它覆盖了地球表面的十分之七。它的呼吸纯净而健康。它是一个巨大的沙漠,人在其中永远不会感到孤独,因为他能感受到四周的生命在涌动。