If he relies solely on human thinking, such a course could seem justifiable, even upright. However, it may well result in spiritual sickness or death.
غَيْرَ أَنَّ ذلِكَ قَدْ يُؤَدِّي فِي نِهَايَةِ ٱلْمَطَافِ إِلَى ٱلْمَرَضِ أَوِ ٱلْمَوْتِ ٱلرُّوحِيِّ .‏