All models have faults - that doesn't mean you can't use them as tools for making decisions.

When your values are clear to you, making decisions becomes easier.

Who can really say how decisions are made, how emotions change, how ideas arise? We talk about inspiration; about a bolt of lightnng from a clear sky, but perhaps everything is just as simple and just as infinitely complex as the processes that make a particular leaf fall at a particularmoment. That point has been reached, that's all. It has to happen, and it does happen.

She has gone back to Brooklyn,' her mother would say. And, as the train rolled past Macmire Bridge on its way towards Wexford, Eilis imagined the years already when these words would come to mean less and less to the man who heard them and would come to mean more and more to herself. She almost smiled at the thought of it, then closed her eyes and tried to imagine nothing more.

No models are perfect but all models just need to be good enough to improve the decisions we make.

Perhaps our greatest distinction as a species is our capacity, unique among animals, to make counter-evolutionary choices.