* Grab the book nearest you. Right now.
* Turn to page 56.
* Find the fifth sentence.
* Post that sentence along with these instructions in a note to your wall.
For me: "Very probably the occupational, ethnic, and other subgroups that combined to form Sumerian (and other subsequent) cities and civilizations danced together among themselves on appropriate occasions" (a classic evolutionary Just So Story from Keeping Together In Time by William H. McNeill.)