People are lazy, will be a meal without rushing demon.

  Someone will blind hearts, blind eyes and blind ears. When he's not sensitive and sensitive to their environment. At that moment the power of analysis to be blunt. He became lazy and lose the spirit of learning.
  Social phenomenon that often happens in society.
He could not actualize to work hard, then quickly slow would reduce the degree of humanity to be parallel to the animal, even more despicable than that (7:179)

The man never fails
It's just that if it stops trying