Earlier quoted context omitted.
Calculated risks, no matter how number of, or how precise the calculations, often still fail. The idea that all risk can be eliminated is a fallacy, as there is literally always a risk of failure unless you're already independently wealthy.
Even if you are independently wealthy, there's risk of failure: Health reasons, financial reasons beyond your control (e.g. currency hyperinflation; draconian tax measures as happened in Greece and Argentina and will likely happen in other places as well; Significant loss of finances to fraud, as in the Bernie Madoff case) It's never possible to eliminate all risk. However, there's a difference between taking a calcu…
Just quoting this because it deserves to be read twice.