" Carnality can take many forms. Often these are obvious and unappealing to people with a religious outlook. Some typical examples would be: sexual uncleanness or immorality; vulgar language; overindulgence in food or drink; driving personal ambition; uncontrolled anger or other evil passions. What makes legalism especially dangerous is that it appeals to earnest, dedicated men and women who would not easily be entrapped by these more obvious sins of the flesh. Yet in its final consequences, legalism is just as deadly as other, less “respectable” sins. It is Satan’s favorite tool to divert Christians who could otherwise become a serious threat to his kingdom. For "

― Derek Prince , Blessing or Curse: You Can Choose: Freedom from Pressures You Thought You Had to Live With