There's A Hole In My Sidewalk:

In Five Easy Chapters

CHAPTER ONE
I walk down a street and there's a big hole. I don't see it and fall into it. It's dark and hopeless and it takes me a long time to find my way out. It's not my fault !

CHAPTER TWO
I walk down the same street. There's a big hole and I can see it, but I still fall in. It's dark and hopeless and it takes me a long time to get out. It's still not my fault.

CHAPTER THREE
I walk down a street. There's a big hole. I can see it, but I still fall in. It's become a habit. But I keep my eyes open and get out immediately. It is my fault.

CHAPTER FOUR
I walk down a street. There's a big hole. And I walk around it.

CHAPTER FIVE
I walk down a different street.

-- Portia Nelson