Intense interest in any subject is indispensable if you're really going to excel in it.
Charlie MungerThe idea of excessive diversification is madness. Wide diversification, which necessarily includes investment in mediocre businesses, only guarantees ordinary results.
Charlie MungerWe both (Charlie Munger and Warren Buffett) insist on a lot of time being available almost every day to just sit and think. That is very uncommon in American business. We read and think.
Charlie MungerObviously if you want to get good at something which is competitive, you have to think about it and practice a lot. You have to keep learning because world keeps changing and competitors keep learning. You have to go to bed wiser than you got up. As you try to master what you are trying to do – people who do that almost never fail utterly. Very few have ever failed with that approach. You may rise slowly, but you are sure to rise.
Charlie Munger