وَإِذَا قِيلَ لَهُمْ لاَ تُفْسِدُواْ فِى الأَرْضِ
(And when it is said to them: â€Do not make mischief on the earth,''), means, â€Do not commit acts of disobedience on the earth. Their mischief is disobeying Allah, because whoever disobeys Allah on the earth, or commands that Allah be disobeyed, he has committed mischief on the earth. Peace on both the earth and in the heavens is ensured (and earned) through obedience (to Allah).'' Ar-Rabi` bin Anas and Qatadah said similarly.  Ibn Jarir said, â€The hypocrites commit mischief on earth by disobeying their Lord on it and continuing in the prohibited acts. They also abandon what Allah made obligatory and doubt His religion, even though He does not accept a deed from anyone except with faith in His religion and certainty of its truth. The hypocrites also lie to the believers by saying contrary to the doubt and hesitation their hearts harbor. They give as much aid as they can, against Allah's loyal friends, and support those who deny Allah, His Books and His Messengers. This is how the hypocrites commit mischief on earth, while thinking that they are doing righteous work on earth.'' The statement by Ibn Jarir is true, taking the disbelievers as friends is one of the categories of mischief on the earth. Allah said,