A good mission statement is quick, short, and sticks in people's brains. What purpose are you working toward every day? Here's an example we love from Apple.
To make a contribution to our school by making teaching students about apples.
A vision statement expresses the long-term aspiration of a company. What change do they want to make in the world? Here's Amazon's first version.
Our vision is to be earth's most student-centric club; to build a place where students can come to find and discovery anything they put their minds to.