'You leave yourself an enormous margin of safety. You build a bridge that 30,000-pound trucks can go across and then you drive 10,000-pound trucks across it. That is the way I like to go across bridges.' - Financial World, June 13, 1984.

'If you understood a business perfectly and the future of the business, you would need very little in the way of a margin of safety. So, the more vulnerable th…

'I'd be a bum on the street with a tin cup if the markets were always efficient.'

'Diversification is a protection against ignorance. It makes very little sense for those who know what they're doing.'