Comment by wpietri

A point he still believes in. In 2008 he made a million-dollar bet with a highly-paid money manager:

http://longbets.org/362/

Seven years into the bet, he's way ahead:

http://fortune.com/2015/02/03/berkshires-buffett-adds-to-his...

For those interested in the coin-flipping analysis, I strongly recommend "Fooled by Randomness", which is a smart, passionate, and funny examination of how that problem plays out in the investment industry.