Warren Buffett reportedly once said, "The difference between successful people and really successful people is that really successful people say no to almost everything." And he clearly lives by this sentiment, Spier wrote in a 2014 article for MarketWatch.

During their "power lunch," Spier said that Buffet showed them his diary, which was almost bare. "He likes to leave his time unstructured, and to leave plenty of room for spontaneity," said Spier.

This isn't a new habit of his, according to Buffett's billionaire bestie Bill Gates.![104407537-2ED1-REQ-PRO-MOHNISH-PABRAI-041717.600x400.jpg](https://steemitimages.com/DQmfQb1PL9jHXhZb6LHdp5KdUXzqFoKNS4avNhFutgNRnXE/104407537-2ED1-REQ-PRO-MOHNISH-PABRAI-041717.600x400.jpg)