God instructs them in the ways of love. The unifying of millions of people in true worship is clear evidence of what?
١٩ عَلَامَ يَدُلُّ بِشَكْلٍ وَاضِحٍ تَوْحِيدُ مَلَايِينِ ٱلنَّاسِ فِي ٱلْعِبَادَةِ ٱلْحَقَّةِ ؟‏