It is impossible to persuade a man Posted on July 30, 2011July 30, 2006 by admin “It is impossible to persuade a man who does not disagree, but smiles.” — Muriel Spark Author: Muriel Spark Category: smile Tags: smile, Muriel Spark Spread the love Related posts: A gentle word, a kind look, a But God can only smile because only A smile is the universal welcome. Children learn to smile from their parents.