According to him, because the mind is the cause taklif, monitoring and control purposes is that the mind is sane and able to perform his duty to think, consider, evaluate, select, and other specialized functions for him. With all the things that can destroy or prevent the mind from carrying out its functions properly forbidden by Islam, such as drinking the liquor, eating dirty things and the main functions of human better than other creatures, then the Muslims are very concerned that controlled from the things that can ruin it. Monitoring and control purposes are always rational and that reason unable to perform his duty to think, consider, evaluate, select, and other specialized functions for him. With all the things that can destroy or prevent the mind from prevent the mind from carrying out its functions properly forbidden by Islam, such as drinking the intoxicating (Surah al-Maidah (5); 90), to eat things that are dirty (see Sura al-Nahl (16); 115, and surah al-A'raf (7): 157) makes it unreal and cannot make rational decisions, reading material that can lead to lust and out of control.