Fear, hatred and love are the outward nature of a human being, complementary to life, with the existence of these traits humans can produce a work, a film director cannot produce a good film if there is no fear or love in his heart, he will not be able to regulate the flow story, so the film that he will later make will not be interesting to be made a spectacle,
As well as. A writer, without these feelings in his heart he will not be able to express the purpose of his writing so that it is understood by those who read it.

So, luckily we are given these three qualities, and our obligation to be able to control and use according to what is needed.