http://venturebeat.com/2014/10/11/eric-schmidt-explains-how-arrogance-cost-potential-google-employees-half-a-billion-dollars/#

The test, he explains, is to ask whether you believe a candidate can work with other people to effect change. If someone comes across as overly arrogant, it could mean that they won’t work well on a team. Instead of thinking about what’s best for the cooperation, they’ll think about what’s best for themselves and their own career path. Arrogant people don’t collaborate well, and Google relies on collaboration.