lsquoParadisersquo is an overused word. Often it embraces lsquotropicalrsquo and refers to some speck of land fringed by idyllic beaches suitable for postcards. But on Earth there is no paradise. Itrsquos strange when a sentence alters your way of seeing. It doesnrsquot happen often but occasionally a string of words perhaps uttered unthinkingly by a random person can cause a small