It's good to know the really common English proverbs because you hear them come up in conversation all the time. Sometimes people say the entire proverb to give advice to a friend. More often, someone will say just part of a proverb like this:
Ghosts, witches, monsters… They often appear in horror movies, books and TV series. But sometimes these scary stories are true! In the 17thcentury, in the town of Salem, there was a case involving “real” witches.