3. This means that while the Book is potentially for all, only those who possess certain qualities can benefit from it. The first such quality is piety: those who want to benefit should be disposed to distinguish between good and evil, and to shun evil and do good. Those who lead an animal existence, who never to consider whether their actions are either good or bad, whose cynically follow the prevailing winds, who are helplessly tossed about by the animal desires that dominate their minds, such persons are all together incapable of deriving any benefit from the guidance embodied in the Qur'an.