What starts out as an intrusive thought can turn into an overwhelming concept if we "feed" it with more negative thinking. From the book: Removing Your Shame Label.

When trapped in a constant state of negative over-stimulation, anxiety becomes the norm in our lives. From the book: Removing Your Shame Label

weeding out the harmful influences should become the norm not the exception.

Positive thinking and negative thinking cannot operate at the same level in your mind, one needs to be the master and the one you feed it more will rule over the other.

Believing in negative thoughts is the single greatest obstruction to success.

Negativity is like burning plastic: while destroying itself, it annoys everyone with its stench.