David Thomas

“as modern portfolio theory. MPT, invented in the 1950s, was a technique to build an investment portfolio by examining the past returns and volatility of disparate asset classes. The trick was to split money among investments that don’t necessarily correlate, or move together, to avoid the chance that any one market event could cause calamity.”
― Rob Copeland, The Fund: Ray Dalio, Bridgewater Associates, and the Unraveling of a Wall Street Legend

“Once wealthy, however, people were less consumed by the hunt for the next score. They were more focused on staying rich than getting richer, and their strategy focused on steady, long-term growth and the minimization of the risk of big losses.”
― Rob Copeland, The Fund: Ray Dalio, Bridgewater Associates, and the Unraveling of a Wall Street Legend