God’s Law stated that he would be displeased if his people failed to serve him “with rejoicing and joy of heart. ”
ذَكَرَتِ ٱلشَّرِيعَةُ أَنَّهُمْ سَيَخْسَرُونَ رِضَى ٱللهِ إِذَا لَمْ يَخْدُمُوهُ « بِٱبْتِهَاجٍ وَفَرَحِ قَلْبٍ » .‏