That is so true, Maggie!
I have started to pay attention to this, especially since I've become a mother.
I realize that the way I talk to my child will induce him certain beliefs.
I don't want him to grow up believing the wrong things about him, so I do my best to be conscious about how I talk to him and what I tell him.
In doing so, I've become more aware of how I speak to myself and what believes I have.
Hard to break the circles, but it's well worth the effort!