Human limitations play a large role. By means of his command, Jehovah lovingly taught Adam and Eve the way to exercise true freedom.
فَهُمْ لَا يَعْرِفُونَ دَائِمًا إِلَامَ سَتُؤَدِّي خِيَارَاتُهُمْ ،‏ وَهَلْ تَكُونُ فِي صَالِحِهِمْ .‏