20. That is, those who do not believe in the life in the Hereafter, have become so irresponsible, carefree and intoxicated with the life of this world, that they feel no hesitation or pang in denying any reality, and they put no value on or attach no worth to truth. That is why, they are not prepared to impose any moral restraint on themselves and feel no need to investigate as to whether the way, they are following is right or wrong.