evidence: More than 40 years ago, Buffett wrote, Murphy taught him an "indispensable" lesson about the importance of recognizing and controlling your emotions. "He said, 'Warren, you can always tell someone to go to hell tomorrow,'" Buffett recalled. "It was one of the best pieces of advice I have ever received." [...] It's important to note that Buffett isn't advising people to not be emotional. Rather, he emphasizes the advantages of acknowledging, examining and understanding your emotions. By doing so, you create more time and space for clarity, which will then allow you to make more prudent decisions. [...] It was one of the best pieces of advice I have ever received.Warren BuffettCEO, Berkshire Hathaway "[Buffett] recognizes that emotions are running the game, and he uses his insight into what the mass population is feeling to make wise investment decisions," Yan explained.