Al Jathiyah Ayah 18
ثُمَّ جَعَلْنَـٰكَ عَلَىٰ شَرِيعَةٍ مِّنَ ٱلْأَمْرِ فَٱتَّبِعْهَا وَلَا تَتَّبِعْ أَهْوَآءَ ٱلَّذِينَ لَا يَعْلَمُونَ ١٨
Now We have set you ?O Prophet? on the ?clear? Way of faith. So follow it, and do not follow the desires of those who do not know ?the truth?.