block of wood
Examples
Whenever you make a figure of a man or of some graceful animal remember to avoid making it seem wooden; that is it should move with counterpoise and balance in such a way as not to seem a block of wood.
There are a million things one might do with a block of wood. But what do you think might happen if someone, just once, believed in it?
Our God listens to us. Our God is a living God. He's not a block of wood you made up that's not going to answer you. My God listens to me. He answers me.
Who is a piece of stick in youth will be a block of wood in old age.
The block of wood should not dictate to the carver.
A closed mind is like a closed book; just a block of wood.