Warren Buffett says

“Loss of focus is what most worries Charlie and me when we contemplate investing in businesses that in general look outstanding. All too often, we’ve seen value stagnate in the presence of hubris or of boredom that caused the attention of managers to wander.”

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“I think that, every time you see the word EBITDA, you should substitute the words "bullshit earnings".”

“No business can continue to shrink. That can only go on for so long before irrelevancy sets in.”