Bill Dickey learned me all his experience.
Congratulstions on breaking my record. I always thought the record would stand until it was broken.
Forecasting is very difficult, especially when it involves the future.
In theory there is no difference between theory and practice. In practice there is.
Buy a stock, if it goes up, sell it, if it goes down, don't buy it.
The hardest thing is to get started, but the really hardest thing is to finish.