"The Week" published a wonderful article in 2013 describing Warren Buffett's and Charlie Munger's reading habits. Here's an excerpt:
Warren Buffett says, "I just sit in my office and read all day."
What does that mean? He estimates that he spends 80 percent of his working day reading and thinking.
"You could hardly find a partnership in which two people settle on reading more hours of the day than in ours," Charlie Munger commented.
When asked how to get smarter, Buffett once held up stacks of paper and said he "read 500 pages like this every day. That's how knowledge builds up, like compound interest."The article goes on to describe how possible Buffett successor, Todd Combs, has heeded his bosses advice and reads up to a thousand pages on some days!