Warren Buffett — "Don't beat yourself up over past mistakes – learn at least a little from them an…"

"It's not that I'm so smart, it's just that I stay with problems longer."

"The difference between successful people and really successful people is that really successful people say no to almost everything."

"Never invest in a business you cannot understand."

"I insist on a lot of time being spent, almost every day, just sitting and thinking. That is very uncommon in American business. I read and think. So I do more reading and thinking, and make less impul…"

"I'm 89. I've been doing this for 70 years. I've never seen anything like this. We will get through this, but I don't know how long it will take."