"We will remember Friedman for interviewing 76 percent of the world's taxi drivers, for predicting "the next six months will be critical" on 14 occasions over two and a half years (birthing the neologism, "the Friedman unit"), and for his unmatched, God-given ability to write nonsensical metaphors, like his classic "rule of holes": "When you're in one, stop digging. When you're in three, bring a lot of shovels.""