The best science fiction is not about the future; it's about the present.
期权的真正价值不在于其价格，而在于它为持有者提供的灵活性。
Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.
The best way to own stocks is through an index fund.