If you happen to read fairy tales, you will observe that one idea runs from one end of them to the other--the idea that peace and happiness can only exist on some condition. This idea, which is the core of ethics, is the core of the nursery-tales.
Why should ANYTHING go right; even observation and deduction? Why should not good logic be as misleading as bad logic? They are both movements in the brain of a bewildered ape?