Don't ask the barber whether you need a haircut, and don't ask an academic if what he does is relevant.
Read books are far less valuable than unread ones. The library should contain as much of what you do not know as your financial means, mortgage rates, and the currently tight real-estate market alow you to put there.
It's not a good idea to take a forecast from someone wearing a tie. If possible, tease people who take themselves and their knowledge too seriously.
Information is bad for knowledge.
We tend to treat our knowledge as personal property to be protected and defended. It is an ornament that allows us to rise in the pecking order. [...] We take what we know a little too seriously.
It has been more profitable for us to bind together in the wrong direction than to be alone in the right one.
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