• Warren Buffett, with an estimated net worth of nearly $70 billion, is the fifth-richest person in the world.
• From having a fast-food-heavy diet to believing in a value-focused investing strategy, he always does things in his own unique way.
• People around the world are so fascinated with the legendary Buffett that they'll spend millions of dollars to eat lunch with him.
• Here are 21 of the most interesting quotes from the "Oracle of Omaha."

He continued: "If they're trying to buy and sell stocks, and worry when they go down a little bit … and think they should maybe sell them when they go up, they're not going to have very good results."