Significance of the word pernicious in the Holy Quran objective study

Praise be to Allah, prayer and peace worthy of  the Prophet , our master Muhammad peace be upon him, and his family and companions and walked on his approach and follow the guidance to the Day of Religion.
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In this research, I addressed the "pernicious" word in the Holy Quran to show the citizen in which it lies, and how the "pernicious" infiltrated this citizen. In order to purify the person, it is necessary to follow the orders and avoid the prohibitions. The Qur'anic texts and noble Hadiths reveal what benefits a person and what harms him. Brings it out of interest and pays for it from the corrupt, and the rush of these things inspired myself to write this research.
It was the first place for the "pernicious"  that I spoke about is  in the food and drink, and the malignant of food, which is repulsed by the souls, and harmful to human health.
 The second place: blasphemy and disbelief and subsequent malicious words - they are contrary to good speech.
 Third place:  is the Bad original .the one who  has benefited from all that he has heard and seen that good and evil, and those who have slaughtered his conditions, have suffered all that he has heard and seen.
And the last place :is ill-gotten  because in ill-gotten  lies the  malicious sins, adultery and homosexuality more and more severe than all other sins.
And the conclusion has included the importance of the findings of the research.

        We ask God to benefit everyone in this study, and to make them achieve their goals, Praise be to Allah, Lord of the Worlds, and prayers and peace be upon the master of the messengers - Muhammad - and on his family and companions.