13وَإِذ قالَ لُقمانُ لِابنِهِ وَهُوَ يَعِظُهُ يا بُنَيَّ لا تُشرِك بِاللَّهِ ۖ إِنَّ الشِّركَ لَظُلمٌ عَظيمٌJ. M. RodwellAnd bear in mind when Lokman said to his son by way of warning, "O my son! join not other gods with God, for the joining gods with God is the great impiety."