'The problem with Rhidian's Thoughts is how often I find myself agreeing with him. Most annoying ' John Humphrys Why bother with God? Do you know what matters in life? What are the limits of kindness? Why doesn't God intervene? What are you worth? For twenty years, bestselling novelist Rhidian Brook has pondered such questions on Radio 4's Thought for the Day, encouraging, nudging, sometimes provoking millions...