Making money is a kind of ability; protecting your wealth is another kind of ability.

Many people mistake success in one field for success in all fields.
So they keep starting businesses, investing, and expanding—until, in the end, they don’t lose their ability, but their risk management.
Wealth doesn’t disappear in a day; it slowly leaks away each time you overestimate yourself and step outside your comfort zone.
Warren Buffett’s biggest advantage isn’t that he gets every investment right, but that he rarely makes mistakes that can destroy him.
True wealth isn’t how much you earned in a single year, but how much you still have after going through several cycles.