Tesla回到400美元，為什麼Tesla是優質股，因為它沒有對手。

A person who has been an entrepreneur for many years said that he started making money in his teens, going from having nothing, to being broke, and finally to being heavily in debt. It feels like he makes money every year, but the more he earns, the more he loses.

到了中年才發現，在弱肉強食的社會中，人與人爭，人與人鬥，比的並不是誰更聰明，而是誰比誰更壞。