为什么要以现金流为重呢？因为每股股票代表了一份公司未来现金流，跟其他单变量相比，现金流更能诠释一家公司长期股价。
2001：贝索斯致股东信《我们始终坚持现金流为王》
A mathematician's work is never truly finished; there is always more to explore.
Treating a person to a meal never fails， and is so easy to do. It’s powerful with old friends and a great way to make new friends.
The transition to cleaner energy is inevitable, and we must be at the forefront of that change.
诗人是一个能看到看不见的东西并听到听不到的声音的人。