Begin challenging your assumptions. Your assumptions are the windows on the world. Scrub them off every once in awhile or the light won't come in.
“About 75 percent of the crude oil marketed here is sold off the books, and they are doing trades that would be illegal if it was a regulated market, and of course they do not want to regulate it.”
“I remember when I was in college, people told me I couldn't play in the NBA. There's always somebody saying you can't do it, and those people have to be ignored.”