13وَإِذ قالَ لُقمانُ لِابنِهِ وَهُوَ يَعِظُهُ يا بُنَيَّ لا تُشرِك بِاللَّهِ ۖ إِنَّ الشِّركَ لَظُلمٌ عَظيمٌSyed V. AhamedAnd when Luqman said to his son while he was advising him: "O my son! Do not join (others) with Allah in worship: Verily, joining others in worship (with Allah) is a terrible wrong indeed."