Mind You Meaning

Example :   Mind you, I'm not prejudiced, but I didn't like the looks of him.‎1977, Agatha Christie, An Autobiography, Part II, chapter4:  Mind you, clothes were clothes in those days. There was a great deal of them, lavish both in material and in workmanship.  Mind you wear a scarf in this cold wind.‎1841, Charles Dickens, Barnaby Rudge, chapter 13:  â€œMind you take good care of her, sir,” said John, appealing from this insensible person to his son and heir, who now appeared, fully equipped and ready.