Norway wealth fund manager says fund collapse not impossible.

“No country in history has managed to maintain such a vast fortune over the long term. Fortunes always end up disappearing,” 

Nicolai Tangen is the chief executive officer of Norges Bank Investment Management, the operator of Norway's $2.9 trillion sovereign wealth fund – the largest in the world.

https://www.straitstimes.com/world/europe/norway-wealth-fund-manager-says-fund-collapse-not-impossible