If you do not use a muscle or any part of the body, it tends to become atrophic. So is the case with the brain. The more you use it, the better it becomes.
If we have an atom that is in an excited state and so is going to emit a photon, we cannot say when it will emit the photon. It has a certain amplitude to emit the photon at any time, and we can predict only a probability for emission; we cannot predict the future exactly.
One day we will have more inflation, and our bonds will bleed like a pig. The only reason for buying long bonds is short-term or as a desperate haven for terrorized investors. But the potential to make longer-term real money is naught.
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