Start Building the Strongest Tribe by Rubbing Fire with Your Hands

Xia Shang traveled to a primitive tribe where people used rats to make fires, stones to get water, and snails to record time. Xia Shang told these primitive people: I am here to tell you only three things! First, science and technology are the primary productive forces; second, tribes must farm well; third, that guy who picks his nose, put on his pants!