Family Mission Statements

I want to create this year a family mission statement.  I have no idea what to write yet.  Here are some links I found with some ideas but none of them quite fit.  Once we write it, I want it displayed prominently in the house.  Anyone have any suggestions?

http://www.pinterest.com/hotrivermama/family-mission-statement/

http://www.artofmanliness.com/2013/08/21/creating-a-family-culture-how-and-why-to-create-a-family-mission-statement/

http://www.71toes.com/2010/03/family-mottos.html