Earlier this month I was watching ABC World News, and I got hooked by the teaser, “Later this evening a lesson from Sidney Poitier’s mother.”  I thought to myself, what lasting words of wisdom did the mother of Sidney Poitier impart to her son?  The lesson was simple, yet powerful, “Always say thank you and please.”  During the taped interview, Sidney Poitier went on to say how many times thank you and please opened doors for him.   His mother’s wisdom, so simple, so powerful, particularly when said in a heartfelt manner.    That same week I took my car…