text: He has more intelligence than would appear , this longfaced Monsieur Lawrence of yours ! " I did not myself think very highly of Lawrence 's intelligence ; but I forebore to contradict Poirot , and gently took him to task for forgetting my instructions as to which were Cynthia 's days off .
  
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  Poirot believed that Monsieur Lawrence 's intelligence had been underestimated .