Warren Buffett: Wide diversification is only required when investors do not understand what they are doing.

“Intensity is the price of excellence.”

—Warren Buffett

“Managers who want to expand their domain at the expense of owners might better consider a career in government.”

—Warren Buffett

“It is better to be approximately right than precisely wrong.”

—Warren Buffett

“If you aren't willing to own a stock for ten years, don't even think about owning it for ten minutes.”

—Warren Buffett

“Despite our policy of candor, we will discuss our activities in marketable securities only to the extent legally required. Good investment ideas are rare, valuable and subject to competitive appropriation just as good product or business acquisition ideas are.”

—Warren Buffett

“You don’t have to be an expert on every company, or even many. You only have to be able to evaluate companies within your circle of competence. The size of that circle is not very important; knowing its boundaries, however, is vital.”

—Warren Buffett

“Buy & hold stock in companies where you love the product roadmap, sell where you don’t.”

—Elon Musk

“We both 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. So Warren and I do more reading and thinking and less doing than most people in business.”

—Charlie Munger

“Especially favourable future prospects were regarded by shrewd investors as something to look for but not to pay for”

—Warren Buffett

“It is not greed that drives the world but envy.”

—Warren Buffett

“Cash combined with courage in a time of crisis is priceless.”

—Warren Buffett

“The best investment you can make is in yourself.”

—Warren Buffett

“Diversification is protection against ignorance. It makes little sense if you know what you are doing.”

—Warren Buffett

“We need a moderately-priced stock market… The market, like the Lord, helps those who help themselves. But, unlike the Lord, the market does not forgive those who know not what they do. For the investor, a too-high purchase price for the stock of an excellent company can undo the effects of a subsequent decade of favorable business developments.”

—Warren Buffett

“I am not a businessman, I am an artist”

—Warren Buffett

Warren Buffett says

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