I wouldn't want to manufacture cigarettes. But if I owned - we do own Costco. Do they sell them? Yes. So I don't have a problem owning stock in that. But I just wouldn't want to - I wouldn't want to do it myself. I basically think, if anything is sufficiently antisocial, society should do something about it. But that's a separate question. But - and I don't think there's any company that I have seen that's 100 percent pure.
Warren BuffettI would say the biggest single cause was we had an incredible residential real estate bubble.
Warren BuffettThe ideal business is one that earns very high returns on capital and that keeps using lots of capital at those high returns. That becomes a compounding machine.
Warren BuffettIf you are a professional and have confidence, then I would advocate lots of concentration.
Warren BuffettThe great personal fortunes in the country weren't built on a portfolio of fifty companies. They were built by someone who identified one wonderful business. With each investment you make, you should have the courage and the conviction to place at least 10% of your net worth in that stock.
Warren Buffett