[Sooner or later]

Originally Posted by wdfifteen

A manifesto is philosophically inspired. It is a general idea of what one hopes to accomplish. No specific goals or actions are suggested. A mission statement is a statement of a specific goal and can include possible ways of reaching the goal.

Also, a Mission Statement is short and to the point. Every employee should know the Mission Statement. A Manifesto starts like a rant and goes on from there.