Warren Buffett is the world's greatest investor, and his reputation is one of the major driving forces for Berkshire Hathaway's (BRK.B 0.98%) share prices. But at 82 years old, Berkshire investors have to wonder: What is a post-Buffett Berkshire going to look like? Will there be a market panic when he passes away, and will that panic be justified? In this video, Motley Fool analyst Morgan Housel takes a look at Berkshire share prices and tells us why Mr. Buffett isn't the only thing that makes this a solid place to put your money.