Dismissing ideas that were ‘not invented here’ is like walking past a $100 bill
Have you heard the one about the economist walking down the street with a friend? They come upon a $100 bill on the sidewalk, and the economist just keeps walking. ‘Aren’t you going to pick that up?’ asks his friend. ‘Don’t be silly’, comes the answer. ‘If that were a real hundred dollar bill, someone else would have picked it up by now.’