Every single thing you say is reality and comes to life with a real body and all and is not, possibly, controlled by you. It has every power possible with what you thought or wrote of them before.

Well.... With the words I can get both options.....
So........
Derp.

Having *everything* I say automatically come to life strikes me as rather dangerous, one slip of the tongue and Gozer is destroying the world. Requiring me to actually put pencil to paper to make something happen adds a good layer of safety.