Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.
"To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing."
There are no permanent trends, only permanent users.
If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.