+, - and 0 / Book

We sometimes make a wrong decision by being obsessed with one viewpoint that seems to be evident. But there are not only things that can or can’t be proved. Like there exist the most difficult regularity and adequateness assessed to be the most idealistic. This book is about a story that can be recognized by moderate and uncertain feeling, not being decisive like this is this and that is that. That is a story about ‘+’ and ‘–‘ that happens in relationships among people and ‘0’ among them.