<prompt> Translate the following text to EnglishHata hivyo, niliheshimu sana busara ya Poirot - isipokuwa katika pindi ambazo alijifafanua mwenyewe kuwa mwenye kichwa cha nguruwe.  <response>: Still, I had a great respect for Poirots sagacity except on the occasions when he was what I described to myself as foolishly pig-headed. 